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Martha spends 40% of her income on rent, 15% of her income on transport, and 80% of the rest on food. If she saves Rs. 2250 after these expenses, what is the expense made by her on transportation?Question 4Answera.3750/-b.3600/-c.3900/-d.3500/-

Question

Martha spends 40% of her income on rent, 15% of her income on transport, and 80% of the rest on food. If she saves Rs. 2250 after these expenses, what is the expense made by her on transportation?Question 4Answera.3750/-b.3600/-c.3900/-d.3500/-

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Solution

Let's solve this step by step:

  1. Let's assume Martha's income is X.

  2. She spends 40% of her income on rent, which is 0.40X.

  3. She spends 15% of her income on transport, which is 0.15X.

  4. After paying for rent and transport, she has 45% of her income left, which is 0.45X.

  5. She spends 80% of the rest (0.45X) on food, which is 0.80 * 0.45X = 0.36X.

  6. After all these expenses, she saves Rs. 2250. So, 0.45X - 0.36X = Rs. 2250.

  7. This means 0.09X = Rs. 2250.

  8. Solving for X, we get X = Rs. 2250 / 0.09 = Rs. 25000.

  9. The expense made by her on transportation is 15% of her income, which is 0.15 * Rs. 25000 = Rs. 3750.

So, the answer is a. Rs. 3750/-.

This problem has been solved

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