It could be because of how hard they are and no one knows the answer.
Find surface area
SA=2pir^2+2hpir
h=42
r=1.5
SA=2pi1.5^2+2(42)pi1.5
SA=4.5pi+126pi
SA=130.5pi square inches
area/areacoverdperspray≤numberofsprays
130.5pi/150
2.73
so buy 3 cans because you can't get 0.73 cans
A
Answer:
c. 714
Step-by-step explanation:
find out the percentage of 15/50. = 30% take 30% off 1020 = 714.
0.426 = 426/1000 = 213/500