The ages of Annie and John are in the ratio of 5:7. Four years from now the ratio of their ages will be 3:4. Find their present ages.
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Answered by
1
annie present age=20
john present age=28
Answered by
2
Step-by-step explanation:
Let their ages be 5x and 7x respectively.
After 4 years their ages will be-
Annie-5x+4
John-7x+4
ATO
5x+4/7x+4=3/4
(5x+4)4=3(7x+4)
20x+16=21x+12
16-12=21x-20x
4=x
Annie's age=20
John's age=28
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