Let x=gallons of 80% solution to be mixed
x+80=gallons go final 70% mixture
..
80%*x+30%*80=70%*(x+80)
.8x+24=.7x+56
.1x=32
x=320
gallons of 80% solution to be mixed=320
Answer:
The answer is C. An absolute value will never have a negative in it.
Step-by-step explanation:
The correct answer is: [B]: " 2⁶ * 2^(3/10) * 2^(8/100) " .
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