Use the percent proportion to solve each problem.
1) 18 is what percent of 45?
2) What percent of 60 is 39?
3)23 is 92% of what number?
4)What is 74% of 110?
5)What is 80% of 62.5?
6)36 is 15% of what number?
2007-10-30 12:18:02 · 6 answers · asked by haaaaahaaaa! 1 in Science & Mathematics ➔ Mathematics
you will never anything like this
2007-10-30 12:31:35 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Hello,
I'll get you started then you should be able to finish.
We set up an equation;
1) 18 = x% * 45 and then solve for x giving us x% = 18/45 = .4 so x = 40 %
2) x% * 60 = 39 so x% = 39/60 x% = .65 so x = 65%
3) 23 = 92% * x so x = 23/92% or x = 23/.92 = 25
Hope This Helps!
2007-10-30 19:24:40 · answer #2 · answered by CipherMan 5 · 0⤊ 0⤋
1. 18% of (45%) = 0.081
2. 60% of (39%) = 0.234
4. 74% of (110%) = 0.814
5. 80% of (72.5%) = 0.58
2007-10-30 19:26:40 · answer #3 · answered by britt 2 · 0⤊ 0⤋
You've asked for numerous problems FIVE times within the past half hour. You don't need that much help. Do your own homework!
2007-10-30 19:21:56 · answer #4 · answered by Milly 5 · 0⤊ 0⤋
this is not 8th grade math problems.......... but they are easy
2007-10-30 19:29:05 · answer #5 · answered by iHeartChem 2 · 0⤊ 0⤋
use the formula a/b=p/100 and put in wat u already know
2007-10-30 19:26:00 · answer #6 · answered by Anonymous · 0⤊ 0⤋