Question

14. Ratio of the earnings of A and B is 4:7. If the earnings of A increase by 50% and those of B decrease by 25%, the new ratio of their earnings becomes 8;7 what are the A’s earnings?

Answer 1

✰✰|| Given ||✰✰

• Ratio of earning of and b = 4 : 7

• A increase by 50%

• B decrease by 25%

✰✰|| To Find ||✰✰

• what are the A’s earnings ?

✪|| Solution ||✪

Let, the multiple of ratio be x

A + 50% of A / B - 25% of B = 8x/7x

→ 4x + 50% of 4x / 7x - 25% of 7x = 8x/7x

→ 150% of 4x / 75% of 7x = 8x/7x

A, s earning is indescribable because here no any constant.