Lesson: Linear Relationships

A school organised a trip where there is a fixed cost of and the rest of the cost is dependent on the number of students attending. The total cost for a trip with 35 students is . Find the total cost of the trip for 60 students given the relationship between the total cost and the number of students is linear.

The graph shows the relationship between distance and time in a 160-metre race between a hare and a tortoise. Determine the winner, and then find the average speeds of the hare and the tortoise.

A boy was reading a book and found out that after reading for 2 hours he still had 344 pages left and after reading for 3 hours he had 43 pages left to read. Find the linear equation between the time and the number of pages left to read .