Answer:
let x be the amount of 25% solution to add to the 42 cc of pure water, then we have the following table:
x .25 .25x
42 .00 0
x+42 .20 .20(x+42)
Step-by-step explanation:
(◠‿・)—☆
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Answers & Comments
Answer:
let x be the amount of 25% solution to add to the 42 cc of pure water, then we have the following table:
x .25 .25x
42 .00 0
x+42 .20 .20(x+42)
Step-by-step explanation:
(◠‿・)—☆