Question

The paint is cointainer in sufficient to a paint an area equal to 9.375m .How many bricks measuring 22.5cm×10cm×7.5cm can pe painted out of this containers

Answer 1

Hope this will help you.

Answer 2

L= 22.5
B=10
H=7.5

Area of brick = 2( lb+bh+hl)

= 2(22.5×10+10×7.5+7.5×22.5)
=2(225cm+75cm+168.75 cm)
=2(468.76cm)
=937.6cm²

Paint container paint the wall area=9.375m²

Change 9.375m² in cm
=9.375×100cm×100cm
=93750cm²

Paint of wall brick = 937.6cm² ÷ 937.5cm²
=100 bricks