Number 9

A supermarket sells 800 g of rice for $3.20 and 1.25 kg of rice for $4.75. Calculate which pack gives the better value for money. Give your answer as the better-value pack.

In the country of Kalculus, the tax rates are:

Abdullah earns $85,000 per year. Calculate his total annual income tax.

The current exchange rates are:

Sara has €1,200 and wants to buy a product costing $1,300. Show, with reasoning, whether she has enough money. Show your calculations clearly.

A coffee shop sells hot chocolate in three cup sizes:

Work out, giving your answers to 2 decimal places, which cup size gives the best value for money. Show all your calculations.

The following people work in the country of Kalculus, with tax bands as below:

Complete the table below by calculating the annual income tax for each person.

The current exchange rate is $1 = 199.25 Nigerian naira (₦). How many US dollars can you get in exchange for ₦59,775? Give your answer to the nearest dollar.

Two brands of olive oil are sold in a supermarket:

Calculate which brand offers the better value for money. Give your answer to the nearest cent per 100 ml.

In the country of Kalculus, Seema earned $60,000 per year and paid $14,000 in income tax. Was this correct? Justify your answer with clear working, using the tax bands: 20% for $0–$50,000 and 40% for amounts above $50,000.