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Olegator [25]
3 years ago
14

An automobile's radiator has a capacity of fifteen quarts, and it currently contains twelve quarts of a thirty percent antifreez

e solution. How many quarts of pure antifreeze must be added to strengthen the solution to forty percent?
Mathematics
2 answers:
sammy [17]3 years ago
7 0

2 quarts is your answer

(I had the same question)

xoxo <3 xoxo

<u>Stay Home</u>, <u>Stay Safe</u>, Help STOP <u>Coronavirus</u> :)

Paha777 [63]3 years ago
4 0
[12(.3)+x(1)]/(12+x)=.4

3.6+x=4.8+.4x

.6x=1.2

x=2 qts

(though your radiator would still be short a quart for doing so :) )
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