Question

Afather and his son are 50 years and 20 years old respectively . Find the ratio of fathers age to his sons age , when :
(i) the son was 10 years old
(ii) the father was 35 year old
(iii)the son will be 40 years old (iv) the father will be 75years​​​

Answer 1

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2) 35:5  = 7:1

not 7:5

Answer 2

Step-by-step explanation:

(i) the son was 10 years old

when son was 10 years old the father was 40 years old

Ratio:

father:son

40:10

4:1

(ii) the father was 35 year old

when the father was 35 year old the son was 5 years old

Ratio

father:son

35:5

7:1

iii)the son will be 40 years old

when the son will be 40 years old the father will be 70 years old

Ratio

father:son

70:40

7:4

(iv) the father will be 75years

when the father will be 75 years the son will be 45 years old

Ratio

father:son

75:45

15:9

5:3