it takes 1 cup of liquid fertilizer to make 7 1/2 gallons of spray. how much liquid fertilizer is needed to make 80 gallons of spray?
10 2/3
10 2/3 is the answer
7 1/2 ÷ 80
7x2+1=15
15/2 x 80
2x80=160
15/160
GCF of 15 and 160 is 5
15 ÷ 5 = 3
160 ÷ 5 = 32
3/32
Covert 3/32 into a mixed fraction
32 ÷ 3 = 10 r 2
Fraction= 10 2/3
Final answer is 10 2/3