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let ages are 5x and 8x.
acc to question 5x-5 : 8x-5 = 4:7
5x-5/8x-5 = 4/7
(5x-5)×7=(8x-5)×4
35x-35=32x-20
35x-32x= -20+35
3x = 15
x= 5
so present ages are 5×5 = 25 and 8×5 = 40
after 10 years ages will be = 35 ,50
it takes time to type so please don't mention it.
acc to question 5x-5 : 8x-5 = 4:7
5x-5/8x-5 = 4/7
(5x-5)×7=(8x-5)×4
35x-35=32x-20
35x-32x= -20+35
3x = 15
x= 5
so present ages are 5×5 = 25 and 8×5 = 40
after 10 years ages will be = 35 ,50
it takes time to type so please don't mention it.
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