Question: If 8 kg of coffee costs $64, how much will 2 kg cost?
A) $12
B) $16
C) $20
D) $24
Solution:
Step 1: Find the cost per kg of coffee.
Cost per kg=64dollars/8kg = 8 dollars/kg
Step 2: Use the unitary method to find the cost of 2 kg.
Cost of 2 kg=2kg×8dollars/kg=16dollars
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