Question

The cost of hiring a trampoline has a one-off cost of £9 plus 7p every day.Write a formula for the cost (C) in pounds (£) of hiring a trampoline for d days.

Answer 1

Your equation is:£9+£7d

Answer 2

C=7d+9

Explanation:

Given:

initial cost of £9

7p for each day (p stands for pounds, which we will take out in the equation)

d stands for days

Write an equation with this:

y=mx+b

C=7d+9

Hope this helps! :)