if the present ages OF A& Bare in ratio of 9:4 and after 7 years the ratio will be 5:3 then find their present ages
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if the present ages OF A& Bare in ratio of 9:4 and after 7 years the ratio will be 5:3 then find their present ages
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Answer:
2 is the answer
Step-by-step explanation:
let the number be x
9x+7 /4x+7 =5/3
by cross multiplication
3(9x+7) =5(4x+7)
27x+7=20x+7
27x-20x=35-21
7x=14
x=14÷7
x=2