Multiple Choice Questions. Click on the correct answer.
Problem 12
12. A boy has an average of 85 in four subjects. What grade must he
make in a fifth subject so that his average will be 87?
- (a)
- 87.
- (b)
- 95.
- (c)
- 90.
- (d)
- 80.
- (e)
- none of these.
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