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How to solve a mathematic ratio?
I need to know how to solve the ratios like 20 : 40 = X : 5? Does anybody have an answer for me?
6 Answers
- Anonymous1 decade ago
I'll use your example:
20:40 = X:5
Take 40, and divide it by 5, which gets you 8.
Now divide 20 by 8 to get 2.5
so the answer would be: x = 2.5
- 1 decade ago
Ratio can be also taken as division
so,
20/40 = x/5
(cross multiply)
40x=100
x=100/40
x=2.5
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- 5 years ago
ok just saying not to be a b***h but this wasent a hard test it was an assignment we dident have to study for i know this because i go to connections academy too.