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lorilhuff8197
03.10.2019 •
Mathematics
A20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution.
which of the following expressions is equal to 4(50)
a. 0.2x+ 0.7y
b. 2x + 7y
c. x+y
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Ответ:
B. 2x + 7y 100% sure just got it right
Step-by-step explanation:
B. 2x + 7y
Ответ:
GIVEN IS BDEC
PROVE IS BD