S4_Math_Real_World_Problem_Part3

A delivery company charges a basic cost of $6 for the delivery of a parcel.
The delivery company makes an extra charge for larger parcels and an extra charge for heavier parcels.

Calculate the total cost to deliver a parcel measuring 40 cm by 50 cm by 150 cm with a mass of 4kg.

A delivery company charges a basic cost of $6 for the delivery of a parcel.
The delivery company makes an extra charge for larger parcels and an extra charge for heavier parcels.

Calculate the total cost to deliver a parcel measuring 30 cm by 40 cm by 130 cm with a mass of 18 kg.

A delivery company charges a basic cost of $6 for the delivery of a parcel.
The delivery company makes an extra charge for larger parcels and an extra charge for heavier parcels.

Calculate the total cost to deliver a parcel measuring 40 cm by 40 cm by 200 cm with a mass of 25kg.

Huang is buying this car.

If he pays using the hire-purchase terms, he pays a total of $26640.

Calculate the cost of each of the monthly instalments.

Huang is buying this car.

Huang takes out a loan of $24000 from his bank instead to buy the car.

The bank charges him compound interest of 2% per year over 4 years.

How much cheaper is this than using the hire-purchase terms?

Give your answer to the nearest dollar.

$5000 is invested at 6% per annum, compound interest.

Calculate the increase in value of the investment at the end of 3 years.

The two conservatories in Garden by the Bay normally open from 9am to 9pm every day.

The special December opening hours are 9am to 10pm every day.

Calculate the percentage increase in opening hours in December.

The two conservatories in Garden by the Bay normally open from 9am to 9pm every day.

The special December opening hours are 9am to 10pm every day.

Calculate the number of hours they are open in one week in December?

The admission charges for entry to the conservatories are shown in the following table.

Mr and Mrs Lee are senior Singapore residents.

They take two adult friends from Malaysia to the two conservatories.

Calculate their total admission charge.

The admission charges for entry to the conservatories are shown in the following table.

Mr Velosso is an adult Singapore resident.

In a competition he wins a 10% discount on the published admission charges.

Calculate how much he would pay to visit one conservatory.