Question

the ages of amit and archana are in ratio of 4:5 if amit age is 4 years 8 month old.find the age of archana

Answer 1

For easier calculation,
convert 4years 8months into months. This would give you 56months.
Amit is 56months old.
4 units/proportion =56
1 unit=56/4
5unit=56/4 ×5(simplify)