Year 8 Mathematics Rates and Ratios Test

Flashcards for key concepts related to rates and ratios, based on the Year 8 Mathematics Test.

What is the simplified form of the ratio 6:18?

1:3

How do you express $54 for 9 kilograms in simplified rate form?

$6/kg

If you divide 120 kg in the ratio 1:3, how much is each part?

30 kg and 90 kg.

What is the sugar needed if the milk to sugar ratio is 4:5 with 1 ½ cups of milk?

5/3 cups of sugar.

Calculate the actual distance for a map distance of 4 cm with a scale ratio of 1:25000.

1000 meters.

How far will a cyclist travel in 2 hours 30 minutes at a speed of 24 km/h?

60 km.

What is the ratio of water to apple juice if a container holds 24 litres with 8 litres of apple juice?

4:1.

What is the average speed of a car that travels 120 km in 90 minutes?

80 km/h.

What is the simplified ratio of 56:84?

2:3.

If a model train is built at a scale of 1:150, how long is the model if the actual train length is 225 metres?

1.5 m.

How much money will a person earn in 15 days if they earn $540 in 9 days?

$900.

If 3 people share a bottle of juice in the ratio 3:4:5 and the smallest share is 120 ml, what is the total amount of juice?

480 ml.

In how many minutes can a machine fill 100 bottles if it can fill the same in 4 minutes?

250 bottles in 10 minutes.

What is the overall ratio of nitrogen to phosphorus to potassium when mixing equal amounts of two fertilizers with the ratios 4:3:2 and 6:2:1?

10:5:3.

What distance will Kirsten cover if she runs for 9 hours at 3 km/hr?

27 km.