Math 3

228. A woman has x dollars in her purse. She buys 3 pounds of meat at y dollars per pound. The number of dollars the woman has left after the meat purchase is

Answer: x-3y

230. What is the function equation of this graph?

Answer: y=x

195. The graph below shows rainfall over a 5-day period. Wha was the average daily rainfall for these 5 days?

0 + 2 + 0 + 3 + 5 = 10 Answer: 2

222. Carl bought 6 pounds of apple for $0.89 per pound. How much did the 6 pounds cost?

0.89 x 6 =

197. 0.07 liters equals

1 liter = 1,000 milliliters Answer: 70 milliliters

204. Evaluate this expression if: a=7, b=4, c=3 2a - 3b + c

2(7) - 3(4) + 3 = 14 - 12 + 3. Answer: 5

214. Ralph put $100 in the bank on January 1. He earns 10% annual interest, which is compounded quarterly. How much interest has Ralph earned at the end of the first quarter?

2.50

215. Ne roll of wallpaper covers 20 1/2 square feet. How much will 8 rolls cover?

20.5 x 8 =

216. If a map uses a scale where 1 inch represents 28 miles, how long would a road that is 266 miles be?

266 x 1 ÷ 28

207. Solve: 4- (5-2) + 3x5

4-3+15. Answer: 16

232. A car travels 600 miles in 10 hours. At the same rate, how many hours will it take to drive 825 miles?

825 x 10 ÷ 600

183. Wheat number completes this proportion? 8/13 = x/91

8X 91 ÷ 13

210. Which number sentence illustrates the distributive property?

Always read all distractors before answering. Answer: (8+7) x 6 = (8x6) + (7x6)

190. Which of the following is not tru about the parallelogram?

Always read all distractors before answering. Hint: not means wrong answer is the correct answer. Answer: <ABC is equal to <BCD

223. Which one of the following is true?

Answer 4 and little 2 = 2 and little 4 16 = 16

176. What is the ratio of the shaded area to the total area

Answer 7/12

201. Solve: 11/12 ÷ 1/4 =

Answer : 3 2/3

219. Maria sailed 2/7 of the way around the lake in 8 hours. At the rate, how many hours will it take her to sail around the entire lake?

Answer: Maria 28

231. Burt and Mike left for school later than Bill. Frank left at the same time as Burt, but later than Simon. Therefore, Frank left for school.

Answer: later than bill.

233. Chuck worked 12 hours and Greg worked 17 hours. If they were both paid $3.00 per hour, how much more money did Greg earn than Chuck?

Answer: $15

177. Solve: -8-(-7)=

Answer: -1

234. Solve: -3 x -4 x -2 =

Answer: -24

178. As a decimal 17/33 is written: Divide: top number inside the box or fist number inside the box

Answer: 0.51

211. If 12x - 4= 4x + 4, then x = Not two-step equations: substitute the answers

Answer: 1

236. Peter earned 84% by answering 63 questions correctly on a mathematics test.how. Many questions did he miss?

Answer: 12. (75 - 63)

198. Solve: 3,254 + 2,321 + 8,057

Answer: 13,632

220. Chris sold 3 more boxes of candy than John. John sold 5 times as many as Pat. Altogether, they sold 36 boxes. How many did Chris sell?

Answer: 15

213. Albert is twice as old as Bert, and Bert is 7 years younger than Carl. If Alert is 12 years old, how old will Carl be in 8 years?

Answer: 21

217. How many 1-inch cubes can fit into a cube with a side of 3 inches?

Answer: 27/1 = 27.

212. Solve: 4,136 - 847 =

Answer: 3,289

203. Solve: 1 2/3 x 9/20=

Answer: 3/4

226. Solve for x: 3x + 12 = 16 (16 - 12) ÷ 3

Answer: 4/3 = 1 1/3

184. The number 20 is a factor of. Factor: smaller numbers (limited). Multiples: larger number (unlimited)

Answer: 40 (2x20)

200. Solve: 18.5 x 0.38

Answer: 7. 030

182. What number is in the hundred's place after simplifying (5x10 and little 1 ) + (9x10 and little 2) + (7x10 and little 3)

Answer: 9

229. Jim painted 3/11 of his room in 6 hours. At the rate, ow many hours will it take him to paint his entire room?

Answer: Jim 22

209. If carpeting costs $42 a square yard, what is the cost of carpeting a room that measures 9 feet by 15 feet? HINT: In order to add, subtract, multiply or divide numbers with units they must have the same units.

Any answer you gave is the right one

179. Find N: 6(3x2)+ N(3)=4(7+5)

N problems: do order of operations first 36+3N=48. Coefficient is always written in front of the variable. Two-step equation: add or subtract, then divide (48-36)÷3. Answer: N=4

196. What is the diameter of Circle A?

Diameter: line from edge to edge passing through center (twice the radius) Radius: line from center to the edge of circle (half the diameter) Answer: 32 (16 x 2)

189. What multiples of 8 complete this set: (8 ... 64)?

Factors: smaller number (limited) Multiples: larger numbers (unlimited) Answer: 16, 24, 32, 40, 48, 56

175. The greatest common factor of 16 and 38 is

Key word greatest: substitute the answers. Answer 2

Wha is true of <a and <b?

Line/straight angle=180 degrees. Answer: <a + <b = 180 degrees

187. Five students took a make-up exam. Find the median of their scores: 61, 72, 76, 76, 80.

Mean: average Median: number in the middle after they are in order from low to high. Mode: most common number (repeats more) Answer: 76

180. What is 4 1/2% of 52?

Of only: multiply. Convert 4 1/2 to 4.5 (easier to work with decimals) decimal to %: move decimal twice to the right. % to decimal: move decimal twice to the left covent % to its decimal equivalent: 4.5% = 0.045. 52x0.045

192. What is the surface area of the rectangular prism?

SA = 2lw + 2wh + 2lh L = length. W = width. H = height L = 10. W = 4. H = 4 SA = surface area SA = 2(10) 4 + 2(4)4 + 2(10) 4 SA= 80 + 32 + 80 Answer: 192

191. What is the measure of angle C?

Sun of interior angles of a triangle = 180 degrees. 180 - (90 + 40). Answer: 50 degrees

186. What is the value of the digit 9 in 14.1972?

Th in place value: to the right of decimal place no th in place value: to the left of decimal place. Answer: 9 hundredths

225. If there is a 6% sales tax, how much tax would you pay on a bicycle that costs $135?

X/135 = 6/100 135x6 ÷ 100