**Question:**

The income of A,B and C are in the ratio 7:9:12 and there spendings are in the ratio 8:9:15. If A save 1/4th of his income then what will be the savings rashio of A,B and C? Explain plz.

**Answer-1**

Income = Spending + Saving

Let Income of A = 7k

And Spending be = 8m

As A saved 1/4 of income so

Saving of A = 7/4k

Thus

7k = 8m + 7/4k

=> 21k = 32m

Incomes of others

=> 7k = (32/3)m (A)

=> 9k = (96/7)m (B)

=> 12k = (128/7)m (C)

Savings = Income-Spending

=> Saving for A

7k - 8m = (32/3)m - 8m

= (8/3) m

For B

(96/7)m - 9m = (33/7)m

For C

(128/7)m - 15m = (23/7)m

Thus Saving Ratios are

56:99:69

I hope it was simple to understand.

Let Income of A = 7k

And Spending be = 8m

As A saved 1/4 of income so

Saving of A = 7/4k

Thus

7k = 8m + 7/4k

=> 21k = 32m

Incomes of others

=> 7k = (32/3)m (A)

=> 9k = (96/7)m (B)

=> 12k = (128/7)m (C)

Savings = Income-Spending

=> Saving for A

7k - 8m = (32/3)m - 8m

= (8/3) m

For B

(96/7)m - 9m = (33/7)m

For C

(128/7)m - 15m = (23/7)m

Thus Saving Ratios are

56:99:69

I hope it was simple to understand.

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