LSP 120 Midterm (Khan Percent Problems)
63 kg ------------------------- 75 x .16 = 12 75 - 12 = 63
Darren is on a super effective diet. He has lost 16% of his weight this month. If he started with 75 kg how much does he weigh now?
500 --------------- part = % x whole 350 = .7x x = 500
John is a quarterback. This year, he completed 350 passes, which is 70% of all the passes he's attempted this year. How many passes has he attempted this year?
25 students --------------------- part = % x whole 5 = (.2)x
Mrs. Conley asks her class what kind of party they want to have to celebrate their excellent behavior. Out of all the students in the class, 5 want an ice cream party, 7 want a movie party, 10 want a costume party, and the rest are undecided. If 20% want an ice cream party, how many students are in the class?
15 g ----------------- part = % x whole part = (50)(.3)
Sophie Ruth is eating a 50-g chocolate bar which contains 30% cocoa. How many grams of cocoa are in the chocolate bar?
