25÷5=5
if it takes 1 min for 5 gallons of gasoline to be pumped then 25÷5=25
So first you would cross multiply 52 by 100 which would get you 5200.
Next, you would divide 5200 by 130
Your answer would be 40
6. 12-3b<9
-3b<-3
b>1
7. (z/7)-6≥-5
(z/7)≥1
z≥7