Fanny
2.849 rounded to the nearest hundredth is 2.85
Step-by-step explanation:
EQUATION: Volume=length x width x height.
V=l×w×h
1620cm^3=9cm×9cm×xcm
1620cm^3=81cm^2 ×xcm
xcm= 1620cm^3/81cm^2
xcm= 20cm
Nope, the correct unit rate would be 5feet
16x = 2250 + 6x
x = 225
So he must sell 225 cameras
16(275) = 4400
6(275) = 1650
4400 - (1650 + 2250) = 500
$500 profit