The cost of muffin is Rs 13 each, then what is the cost of 5 such muffins ?
A
75
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B
70
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C
65
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D
60
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Solution
The correct option is C 65 Cost of each muffin= Rs 13
Then cost of 5 such muffins= 5 x 13
We can solve this by splitting the bigger number i.e 13 into two parts such as 3+10
5 x 13= 5 x ( 3 + 10)
= 5 x 3 + 5 x 10
= 15 + 50
= 65