The monthly incomes of A and B are in the ratio of 5 : 4, their monthly expenses are in the ratio of 19 : 21, and their monthly savings are in the ratio of 37 : 18. If the total annual savings of A and B is Rs. 66000, As monthly income is `R s .6000` b. `R s .7050` c. `R s .8000` d. `R s .9000`

Explanation

To solve the problem, we will follow these steps:

### Step 1: Define the variables based on the ratios
Let the monthly income of A be \( 5X \) and the monthly income of B be \( 4X \).

### Step 2: Define the expenses based on the ratios
Let the monthly expenses of A be \( 19Y \) and the monthly expenses of B be \( 21Y \).

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