The cost of 15 notebooks is 144. Find the cost of 12 notebooks.
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YOUR QUESTION:
THE COST OF 15 NOTEBOOK IS 144. FIND THE COST OF 12 NOTEBOOK
YOUR ANSWER:
COST OF 15 NOTEBOOKS = 144
COST OF 1 NOTEBOOK = 144÷15=9.6
COST OF 12 NOTEBOOK=9.6×12
=115.2
THEREFORE , THE COST OF 12 NOTEBOOK IS EQUAL TO 115.2
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