Question

A photographic negative is 3 cm by 2 cm. A similar print from the negative is 9cm long on its shorter side. What is the length of the longer side?

Answer 1

13.5 cm

Explanation:

9 divided by 2 = 4.5 *There's a 4.5 increase

3 X 4.5 = 13.5

The new print is 13.5cm by 9cm