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# The average sales in a shop for the first 11 weeks of a quarter was ₦486 830 p...

### Question

The average sales in a shop for the first 11 weeks of a quarter was ₦486 830 per week. The sales for the two remaining weeks of the quarter averaged ₦484 685 per week. What was the average weekly sale for the quarter?

### Options

A) ₦485 757.50

B) ₦485 600

C) ₦486 500

D) ₦486 830

The correct answer is C.

### Explanation:

Total sales in the shop first 11 weeks = ₦486830 $$\times$$ 11 = ₦5355130
Total sales of two remaining weeks = 2 $$\times$$ ₦484685 = ₦969370
Total sales for first quarter = ₦535 + ₦969370 = ₦6234500
Average sales for the quarter = $$\cfrac{₦6324500}{13}$$ = ₦486500

## Dicussion (1)

• Total sales in the shop first 11 weeks = ₦486830 $$\times$$ 11 = ₦5355130
Total sales of two remaining weeks = 2 $$\times$$ ₦484685 = ₦969370
Total sales for first quarter = ₦535 + ₦969370 = ₦6234500
Average sales for the quarter = $$\cfrac{₦6324500}{13}$$ = ₦486500

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