Higher June 2018 Paper 4 Q12

OCRHigherCurrent spec4 marksPercentages

12 The value of a car, £\(V\), is given by

\[V = 16\,500 \times 0.82^n\]

where \(n\) is the number of years after it is bought from new.

(a) Write down the value of the car when new. [1]
(b) Write down the annual percentage decrease in the value of the car. [1]
(c) Show that the value of the car after 4 years is less than half its value when new. [2]
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