JAMB - Mathematics (1982 - No. 18)
The currency used in a country is called 'Matimalik'(M) and is of base seven. A lady in that country bought 4 bags of rice at M56 per bag and and 3 tins of milk at M4 per tin. What is the total cost of the item she bought?
M2467
M2427
M2367
M3417
M3387
Explanation
4 bags of rice - M 56 each
3 tins of milk - M 4 each
\(M 56 \times 4 = M 323\)
\(M 4 \times 3 = M 15\)
\(M (323 + 15) = M 341\)
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