SOLUTION: a contractor mixes concrete from bags of premix for small jobs. How many bags with 6% cement should he mix with 4 bags of 9.5% to produce a mix containing 7% cement A) 12 bags B)

Question 1141137: a contractor mixes concrete from bags of premix for small jobs. How many bags with 6% cement should he mix with 4 bags of 9.5% to produce a mix containing 7% cement
A) 12 bags B) 10 bags C) 19 bags D) 14 bags
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Duplicate
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
A duplicate or close to it more than once.

https://www.algebra.com/algebra/homework/word/mixtures/Mixture_Word_Problems.faq.question.729166.html

https://www.algebra.com/algebra/homework/word/mixtures/Mixture_Word_Problems.faq.question.729492.html
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