Question

The ratio of 42cm to 3m

Answer 1

7:50

Explanation:

We need both measures in the same units. Let's convert meters to cm.

1 m = 100 cm, so 3 m = 300 cm

Now we write the ratio and reduce it.

42 cm to 3 m =

= 42 cm to 300 cm

= 42:300

= 14:100

= 7:50