One cleaning product solution contain 7% alcohol. Another cleaning product solution contained 12% alcohol. How many liters of each solution should be combined to create 10 liters of a cleaning product that is 9% alcohol.
(A) 4 (B)6 (C)7 D9

y > 1/3x

y < = -x + 4

hope this : )

or

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d