One can of paint covers 40m2. how many cylinders with a surface area of 0.9424m2 can be painted with one can of paint?

42 cylinders

Step-by-step explanation:

we know that

To find out how many cylinders with a surface area of 0.9424m2 can be painted with one can of paint, divide the square meters that cover one can of paint by the surface area of one cylinder

so

Round down to the nearest whole number

42 cylinders

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14