Question

A postcard is 10 whole 2 upon 3 cm long and 7 whole 4 upon 5 on wide find the area of the postcard

Answer 1

length = 10 2 cm = 32 cm

3 3

width = 7 4 cm = 39 cm

5 5

area = length × width

= 32 × 39

3 5

= 416

5

So the area is either 83 1 cm^2 or 83.2

5

cm^2