How much does a glass cube with a side of 5-cm weigh if 1cm of glass weighs 2 2/5 grams?

Question

asked Feb 16, 2021 53.6k views

1 Answer

Jarym · Answer 1 · 2021-02-20T19:31:08+0000

Answer:

300 grams

Explanation:

The volume of the glass cube is ...

V = s³ = (5 cm)³ = 125 cm³

This is 125 times the volume of a 1-cm cube, so the weight is 125 times as much:

125 × (2 2/5 g) = 300 g

The glass cube weighs 300 grams.