Answer:
a) $53.34
b) 84,360.9 gallons
Explanation:
let 'x' = cost of bill for 30,000 gallons
a) i set up a proportion as follows:
$1.33/748g = x/30,000
i cross-multiplied and got $53.34
b) i set up a proportion as follows:
let 'y' = how many gallons $150 can buy
$1.33/748g = 150/y
i cross-multiplied and got 84,360.9 gallons