Higher November 2017 Paper 3 Q16

EdexcelCurrent spec3 marksUpper & Lower Bounds

16 The petrol consumption of a car, in litres per 100 kilometres, is given by the formula

\(\text{Petrol consumption} = \dfrac{100 \times \text{Number of litres of petrol used}}{\text{Number of kilometres travelled}}\)

Nathan’s car travelled 148 kilometres, correct to 3 significant figures.
The car used 11.8 litres of petrol, correct to 3 significant figures.

Nathan says,

“My car used less than 8 litres of petrol per 100 kilometres.”

Could Nathan be wrong?
You must show how you get your answer. (3)