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1. |
In a family of 8 adults and some minors, the average consumption of rice per head per month is 10.8 kg; while the average consumption for adults is 15 kg per head and for minors it is 6 kg per head. The number of minors in the family is : |
A. | 8 |
B. | 6 |
C. | 7 |
D. | 9 |
Answer» D. 9 | |