Question

The income of A, B, and C are in the ratio 8 : 15 : 12. If their incomes be changed such that the new income of A is 50% increased, 20% increased for B and 25% increase for C. Find the ratio of their new incomes.


28:23: 21


4: 5: 3


18: 20: 22


4: 6: 5

Answer 1

Answer:

4 : 6 : 5

Step-by-step explanation:

1. Find 50% of 8 and add it to the old ratio to find A new income ratio.

  .50 x 8 =  4

   8 + 4 = 12

2. Find 20% of 15 and add it to the old ratio to find B's new income ratio.

   .20 x 15 = 3

   15 + 3 = 18

3. Find 25% of 12 and add it to the old ratio to find C's new income ratio.

   .25 x 12 = 3

   12 + 3 = 15

4. New ratio income

   12:18:15

5. Simplest form. Divide by 3

    4 : 6 : 5

   

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