Question

A wall map is 45 cm high and 27 cm wide. Ashley wants to proportionately shrink it so its height is 12 cm. How wide would it be then?

Answer 1

The wide would be 7.2 cm

Explanation:

Let

x------> the wide of the proportional wall map

we know that

Using proportion

45/27=12/x

x=27*12/45

x=7.2 cm