Question

A car travels at a constant speed, as shown on the double number line. How far does the car travel in 14 hours? Explain your reasoning.

Answer 1

From the double number line

When

Time = 0 hour, Distance = 0km

When

Time = 1 hour, Distance = 70km

When

Time = 2 hours, Distance = 140km

From these values, we can deduce that

`D=70T`

Therefore, when

T = 14 hours

`D=70(14)`

This gives

Therefore,

The distance covered in 14 hours is 980 km