Solve the Problem $5 \%$ Alcohol and the Other $12 \%$ Alcohol How Much of Each Should Be Mixed to Obtain

Multiple Choice

Solve the problem.
-Two different gasohol mixtures are available. One contains $5 \%$ alcohol and the other $12 \%$ alcohol. How much of each should be mixed to obtain $500 \mathrm { gal }$ of gasohol containing $10 \%$ alcohol?

A) 357 gal 5% ; 357 gal 12%
B) 25 gal 5% ; 60 gal 12%
C) 143 gal 5% ; 357 gal 12%
D) 208 gal 5% ; 292 gal 12%