Mark M. answered 09/25/23
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
0.30x + 0.70(400) = 0.50(400 + x)
Can you solve for x and answer?
Kayden R.
asked 09/25/23How much of an alloy that is 30% copper should be mixed with 400 ounces of an alloy that is 70% copper in order to get an alloy that is 50% copper?
Mark M. answered 09/25/23
Mathematics Teacher - NCLB Highly Qualified
0.30x + 0.70(400) = 0.50(400 + x)
Can you solve for x and answer?
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