SOLUTION: An engineer wants to make a 60% cement mixture. How many pounds of an 80% cement mixture must she mix with 14 pounds of a 50% mixture to create a 60% cement mixture?

Question 749867: An engineer wants to make a 60% cement mixture. How many pounds of an 80% cement mixture must she mix with 14 pounds of a 50% mixture to create a 60% cement mixture?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Pounds of cement in 50% mix =
Let = pounds of 80% mix needed
= pounds of cement in 80% mix
-----------------------------------

7 pounds of 80% mix are needed
check:

OK
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