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A Contractor Mixes Concrete from Bags of Pre Mix for Small

Question 177

Multiple Choice

A contractor mixes concrete from bags of pre mix for small jobs. How many bags with 8%8 \% cement should he mix with 4 bags of 18%18 \% cement to produce a mix containing 10%10 \% cement?


A) 20 bags
B) 25 bags
C) 18 bags
D) 16 bags

Correct Answer:

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