quiz 2

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Solve for x. 7-x=25

-18

Solve x-68=-120

-52

Solve -10(x-1)=11-10x

0

Find the percent decrease from 40 to 25

37.5%

A store is having a 30% off sale. How much will be saved on an item that costs $55 before the discount?

$16.50

Solve 60-y=50

10

Solve the proportion, then enter the value of x. 5/7 = 10/x

14

How many years will it take to earn $150 of interest on a $2000 investment at a 6% annual rate? (Round your answer to the nearest hundredth)

144,150

Solve for t. t+100=250

150

The owner of a shop bought a scarf at the wholesale price of $8 and marked itup by 250%. What is the selling price?

20

Solve the Proportion 3/z = 1/8

24

Find the percentage decrease of 400 to 300.

25%

Solve the proportion, then enter the value of x. x/9 = 10/30

3

Solve h/7=6

42

Solve the equation for R. v=ir

r=i/v

Solve 2x+5x-7=21

x=4

Solve the equation for y. 12y+a=-11y+b

y = 23 ( b − a )y = 23 ( b − a )


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