Question

ratio of earnings of a and b is 3 is to 5 if the earnings of a increased by 25% and those of be decreased by 30% the new ratio of their earnings becomes 628 what is A's earnings​

Answer 1

Step-by-step explanation:

Given Ratio of earnings of a and b is 3 is to 5 if the earnings of a increased by 25% and those of be decreased by 30% the new ratio of their earnings becomes 628 what is A's earnings

• Let the earnings of A and B be Rs 3x and 5x respectively
• After 25% increase A will be earning 125% of 3x
• Now after 30% increase, B will be earning 70% of 5x
• Now Ratio = 125% of 3x and 70% of 5x = 6 : 8
• Or 125 / 100 x 3x / 70/100 x 5x = 15/14
• But the total earnings is not known
• Therefore A’s earnings cannot be determined.

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