Question

Lynette has a metal doorstop with the dimensions shown. Each cubic centimeter of the metal in the doorstop has a mass of about 8.8 grams. Find the volume of the metal in the doorstop. Then find the mass of the doorstop. 10 cm 25 cm 7 cm The volume of the metal is cm3 The mass of the doorstop is g.

Answer 1

We get that the volume is

`V=(10\cdot7)/(2)\cdot2.5=87.5`

so the mass is:

`8.8\cdot87.5=770gr`