Question

The ratio of earning of A and B is 4:5 if the earnings of A increase by 20%and the earning of B decrease by 20%the new ratio of earnings become 6:5 what are the earning of A

Answer 1

Answer:

mark as brainliest

Step-by-step explanation:

Let the earnings of A and B be Rs.4x and 7x respectively.

After 50% increase. A's earnings = 150% of 4x

After 25% decrease, B's earning = 75% of 7x

Ratio = 150% of 4x : 75% of 7x = 8 : 7

But their total earnings are unknown.

Hence A's earnings can't be known.