David has a collection of computer games. Last year, he had 400 CDs in his collection and this year he has 125% as many CDs as he had last year. How many CDs does he have now?

Question

anonymous · Answer

whats the answer
 i have a bunch of questions

anonymous · Answer

do you want the answers, or to know how to do them?

anonymous · Answer

1.25*400=500

anonymous · Answer

Last month, Jenny’s math test score was 75. This month, her math test score is 93.What percent of last month’s score is this month’s score?
 
 
 
 A. 124%
 
 
whats the answer

anonymous · Answer

sorry about the a 124% dont worry about it

anonymous · Answer

whats the answer

anonymous · Answer

75/93  *  100
=80.65%
=81%

anonymous · Answer

no cause the suggestions are a 124% b 135% c 140% d 168%?

anonymous · Answer

Last month, Jenny’s math test score was 75. This month, her math test score is 93.What percent of last month’s score is this month’s score?
 
whats the answer

anonymous · Answer

oh sori had mis interpreted the question
0.75x=0.93
x=0.93/0.75
x=1.24
1.24*100=124%

anonymous · Answer

Casey's grandmother sent her an $80 bookstore gift card for her birthday last year. This year, she sent her a $110 bookstore gift card. Which proportion can be used to find the percent of last year's gift that this year's gift is, if n represents the unknown percent?
 
whats the answer

anonymous · Answer

0.8x=1.1
x=1.1/0.8
x=1.375
1.375*100
=137.5%