Answer:
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Step-by-step explanation:
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Find the unit rate for 38 dollars multiply it by 4 to get the 4 percent and multiply that by 3
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
1/6 also is 2/12. So, there is 9/12 of the pasta left.
