SOLUTION: Lee Ann Sphar wants to mix tea worth 2 cents per oz with 100 oz of tea worth 5 cents per oz to make a mixture worth 3 cents per oz. How much 2 cents tea should be used?

SOLUTION: Lee Ann Sphar wants to mix tea worth 2 cents per oz with 100 oz of tea worth 5 cents per oz to make a mixture worth 3 cents per oz. How much 2 cents tea should be used?

Algebra.Com

Question 903251: Lee Ann Sphar wants to mix tea worth 2 cents per oz with 100 oz of tea worth 5 cents per oz to make a mixture worth 3 cents per oz. How much 2 cents tea should be used?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
0.02*x+0.05*100=0.03(100+x)
0.02*x+5=3+0.03x
0.02x-0.03x=3-5
-0.01x=-2
x=200 oz of 2cent is added to 100 oz of 5cent to get 300 oz at 3cent
check
0.02*200+0.05*100=0.03(100+200)
4+5=0.03(300)
9=9
ok

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