Pls answer all 3 Mattia buys a trading card for 50p. He later sells it for £3.65. Work out Mattia's percentage profit.

Jasmine buys a car for £13,000. Three years later, she sells the car for £5,463. Work out the percentage Jasmine lost on the car.

Khyree exchanges £100 for Chilean pesos at a rate of 960 pesos per pound. Later, he exchanges the pesos back into pounds, at a rate of 0.001 pounds per peso. Find the percentage change in Khyree's money, and state whether it is a profit or a loss.