Activity 3

Task A

Jay completes a journey of 3.8 kilometres (km). The journey takes 15 minutes.

The average speed in km per hour is equal to the distance in km divided by the time in hours.

What is the average speed for the journey in km per hour?

Task B

1. Rita carried out a survey of people who cycled to college from Monday to Friday.

The number of cyclists per day is shown in the table.

What is the average (mean) number of cyclists per day?

2. Rita recorded the number of cyclists on a Saturday for 4 weeks.

The results for the first 3 weeks are shown in the table.

The average (mean) number of cyclists on a Saturday is 43.

Complete the table with the missing number at Week 4.

Task C

The college is adding a roof to cover the bicycle racks.

The diagram below shows the measurements of each roof.

What is the total area of roof needed for each shelter? Show your answer with the correct units.