Question

the ages of father and son are in the ratio 11:5. The ratio of their ages after 15 years will be 7:4. Find the ratio of their ages 5 years back​

Answer 1

Answer:

7:13

Step-by-step explanation:

11x+15/5x+15=7/4

44x+60=35x+105

9x=45

x=5

so present age is 25 and 55

after 5 years 35 and 65

ratio is 7:13

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