SOLUTION: what is the least number to be added to each term of the ratio 7:13 to make the ratio 2:3? a.1 b.2 c.3 d.5

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Question 1099063: what is the least number to be added to each term of the ratio 7:13 to make the ratio 2:3? a.1 b.2 c.3 d.5








Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
let the number be x
(7+x)/(13+x)=2/3
cross-multiply
3(7+x)=2(13+x)
21+3x=26+2x
x=5
12:18 is 2:3