Mathematics (Syllabus D) 4024/22 — October/November 2020

The cash price of a car is $13 000.
Marta pays in instalments for this car.

Marta pays a deposit of 15% of the cash price.
She then pays 24 monthly instalments of $500.

Calculate the total amount Marta pays for the car.

$ ______

The price of a phone is reduced by 12% in a sale.
The sale price of the phone is $286.

Calculate the price of the phone before the sale.

$ ______

The exchange rate between dollars ($) and pounds (£) is $1 = £0.71 .
The exchange rate between euros (€) and pounds (£) is €1 = £0.87 .

Calculate the exchange rate between dollars and euros.
Give your answer correct to 2 decimal places.

$1 = € ______

Samuel invests $1500 in an account paying 1.9% per year compound interest.
Nina invests $1500 in an account paying 1.9% per year simple interest.
They each leave the money in their account for 5 years.

At the end of 5 years, how much more money does Samuel have in his account than Nina has in hers?

$ ______