Question

Skateboards cost £36 each in my local store. The shopkeeper says if I buy one I can
buy another for only 7/9 of the normal price.
How much would two skateboards cost?

Answer 1

well, 1/9 of 36 = 4, so it will cost
36 + 7/9 * 36 = 36 + 28 = ___