RATE

A car can travel 84 km on 6 L of petrol.

At this rate, how many kilometers can the car travel on 1 L of petrol?

• 11 km

• 14 km

• 16 km

Mrs. Chen sells clams at $6 per kilogram.

How much money will she make from selling 30 kg of clams?

• $180

• $210

• $240

Blake wants to make 40 pouches of snacks for donation.

The cost of each pouch of snack is 75¢.

How much will it cost in total?

• $3000

• $300

• $30

Jeny was charged 45¢ per minute for calling her parents in Canada.

At this rate, how much a 5-minute call cost?

• $2.25

• $22.5

• $1.25

A tailor needs 2 days to make an exclussive gown.

How many gowns can the tailor make in 2 weeks?

• 7

• 9

• 4

Noah got an exchange rate of 0.55 Euros for 1 Singapore dollar.

At this rate, how many Singapore dollar will he get if he change 440 Euros?

• S$800

• S$242

• S$440.55

A candy machine makes 120 candies in 15 seconds.

How many candy will be produced in 1 minute?

• 1800

• 480

• 8

The cost of painting an area of 50m² is $700.

What is the cost of painting a square meter?

• $35

• $15

• $14

The cost of painting an area of wall of 50m² is $700.

Ben paid $4200 to paint the wall of his music room.

What is the the area of the wall?

• 300 m²

• 588 m²

• 450 m²

A rectangular tank measures 40 cm by 30 cm by 20 cm.

Water flows into the tank at a rate of 8 litres per minute.

At this rate, how long will it take to fill the tank?

Hint: 1 litre = 1000 cm³

• 24 mins

• 3 mins

• 6 mins