PLEASE HELP (MATH)

Six quarts of a 20% solution of alcohol in water are mixed with 4 quarts of a 60% solution of alcohol in water. The alcoholic strength of the mixture is.

A. 80%
B. 50%
C. 36%
D. None

I HAVE NO IDEA HOW TO DO IT PLEASE HELP

asked by Cheng Bin
  1. .2*6+.6*4=A*10
    solve for A

    posted by bobpursley

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