
Mark M. answered 05/01/21
Mathematics Teacher - NCLB Highly Qualified
0.30x + 0.50(640 - x) = 0.45(640)
Can you solve for x and answer?
Baxter R.
asked 05/01/21Theresa Morgan, a chemist, has a 30% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 640 liters of a hydrochloric acid solution with a 45% acid concentration?
Mark M. answered 05/01/21
Mathematics Teacher - NCLB Highly Qualified
0.30x + 0.50(640 - x) = 0.45(640)
Can you solve for x and answer?
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