The diagram shows a roof in the shape of a trapezium 12 m
9m
8 litres
20 m
£23.50
Joanne is going to paint the roof.
Each 8 litre tin of paint costs £23.50
1 litre of paint covers an area of 3 m²
Joanne has £145 to spend on paint.
Has Joanne got enough money to buy all the paint she needs?
You must show how you get your answer.

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes