Question

The diagram shows inner perimeter of a running track.

a. The total length must be 400m. Fund the length of the straight sides.
b. The track has 6 lanes, each 1.5m wide. Find the difference in the length between the outer and inner perimetres.

Answer 1

Complete the sentence.

is 8 times as much as 10.

Explanation:

you have to divide it by the length