the ratio between percentage of X and Y is 5:3 respectively. The ratio between X's age 4 years ago and Y's age 4 years hence is 1:1 what will be the ratio between X' s age 4 years hence and Y's 4 years ago?
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Answer:
3:1
Step-by-step explanation:
(5k - 4)/(3k+ 4) = 1/1
k = 4
their present ages
x = 5(4) = 20& y = 3(4) = 12
required ratio = 20+4 : 12 - 4
= 3 : 1
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