Mathematics (Syllabus D) 4024/21 — October/November 2019

The total cost of her flight is $406 including tax.
The cost of the flight excluding tax is $350.

Calculate the tax as a percentage of $350.

______ %

Neema takes a suitcase with mass $15.5\,\text{kg}$, correct to the nearest $0.5\,\text{kg}$.
She also takes 6 packets each with mass $1.2\,\text{kg}$, correct to the nearest $0.1\,\text{kg}$.
She has a luggage limit of exactly $23\,\text{kg}$ for the flight.

Can Neema be certain that the mass of her luggage is below the limit?
Show how you decide.

Neema changes $245 to euros (€) for the trip.
The exchange rate is $1 = €0.73.

On the trip she spends €124.
When she returns, she changes the remaining euros back to dollars at a rate of $1 = €0.76.

Calculate the amount of money she receives.
Give your answer correct to the nearest dollar.

$ ______

On her next trip, Neema hires a car.
She drives a total of $657\,\text{km}$ in the car.
The car uses fuel at a rate of $4.3\,\text{litres}$ per $100\,\text{km}$ driven.
Neema pays $1.29 per litre of fuel.

Calculate the amount she spends on fuel during the trip.

$ ______

Neema stays in a hotel for 7 nights.
This is her hotel bill.

Complete the missing values in the hotel bill.