A mixture containing 6%boric acid is to be mixed with 2quarts of a mixture which is 15%acid in orderbotswana to obtain a solution which is 12%acid. how muchof the 6%solution must be used. let x equal the number of quartsof 6%solution needed,

Question

Bentley Hood

Mathematics

15 October, 14:32

A mixture containing 6%boric acid is to be mixed with 2quarts of a mixture which is 15%acid in orderbotswana to obtain a solution which is 12%acid. how muchof the 6%solution must be used. let x equal the number of quartsof 6%solution needed,

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Answers (1)

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Elyse Keith · Answer 1

1 quart

Step-by-step explanation:

If x is the volume of 6% boric acid, then:

0.06x + 0.15 (2) = 0.12 (x + 2)

0.06x + 0.3 = 0.12x + 0.24

0.06 = 0.06x

x = 1