Simple Interest

Maths

Percentage increase and decrease

£7000 is invested at 6% simple interest. How much interest will be earned in 4 years?

£2000 is invested at 3.5% simple interest. How much will the investment be worth after 5 years?

Q3) A Fitness instructor wants to earn £500 in interest over the next two years. If they can invest their money at 7% per annum, how much do they need to invest to earn the £500?

A shop has a sale with 10% discount on all items. If a coat costs £45 in the sale. What was its original price?

Tim is a car salesman.   He bought a car for £5000.   Currently he is holding a sale with 35% off the price of all cars. Tim wants to sell the car so that he makes a 10% profit on the price he paid. How much should Tim advertise the car for?

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