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Hatshy [7]
2 years ago
5

HELP ME PLEASEEEEEEEEEEEEEEEEEE

Mathematics
1 answer:
kumpel [21]2 years ago
5 0
For this case we have the following solution.
 First, let's give the variable a name:
 Let
 x = gallons of water to be added
 For the 10% solution we have:
 0.1 * 8 = 0.8
 Then, for 5% we have:
 (0.8 / x + 8) = 0.05
 Rewriting:
 (0.8 / x + 8) = (5/100)
 Answer:
 An equation can be used to find x, the humber of gallons of water he should add is:
 (0.8 / x + 8) = (5/100) (option 2).
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