Two brothers are respectively 5 and 8 years old. In how many years will the ratio of their ages be 4:5

Answer 1

Using Ratios
The trick with ratios is to always multiply or divide the numbers by the same value.
4 : 5 is the same as 4×3 : 5×3 = 12 : 15
Brothers are still three years apart in age.

Answer 2

Ty so muchh