Question

1. A dozen notebooks cost 186. (i) What is the cost of 8 such notebooks? (ii) How many
notebooks will cost 356.50?
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Answer 1

Answer:

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Step-by-step explanation:

Cost of of 1 dozen (12) notebooks = Rs. 186

Hence, cost of 1 notebook = 186/12 = Rs. 15.5

∴ Cost of 8 notebooks = 15.5 × 8 = Rs. 124

Cost of 1 notebook = 186/12 = Rs. 15.5

Let no. of notebooks be x that will. cost Rs. 356.50

∴ x = 356.50/15.5

∴ x = 23.5

Answer 2

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