(Total for question = 3 marks) Q10.
* This notice was in a car magazine.
Most new cars lose more than half of their value
in the first three years
Paul bought a new car. The value of the car was £15 000
In the first year, the value of the car depreciated by 23%
After the first year, the value of the car depreciated by 18% each year
Work out if Paul's car lost more than half of its value by the end of three years
(Hint: Work out each year as a separate calculation)

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.