Question

A poster measuring 150cm by 180cm is enlarged in the ratio 8:5. Find the length and breadth of the enlarged poster

Answer 1

240 cm by 288 cm

Explanation:

You want the dimensions of a 150 cm by 180 cm poster enlarged by the ratio 8:5.

Solution

The enlargement ratio, expressed as a fraction, multiplies each of the original dimensions to get the new dimensions. The new dimensions are ...

(8/5)·150 cm by (8/5)·180 cm = 240 cm by 288 cm