Question

If a DVD weight 1.7 grams, how much would 19 CDs weigh?

Answer 1

32.3 grams

Explanation:

We can write the equation for thisas:

`w = 1.7g xx d`

Where `w` is the weight and `d` is the number of DVDs.

Substituting in 19 for `d` gives:

`w = 1.7g xx 19`

`s = 32.3g`