Answer: B
Explanation:
For the taxi A, a 240 mile ride would normally cost 8x45=360 Pounds, but since there is a %15 discount, the price becomes 360-360x%15=306 Pounds.
For the taxi B, it's 90p = 0.9 Pounds per mile, a 240 mile ride would cost 240x0.9 = 216 Pounds.
So B is cheaper