Rate Word Problems (Adv)

A car can travel 14 km per litre of petrol.

At this rate, how far can the car travel on 28 litres of petrol?

Mathematical Equivalence

ON

A car can travel 14 km per litre of petrol. At this rate, how many litres of petrol will the car need to travel 322 km?

Mathematical Equivalence

ON

A machine can produce 250 files per day. At this rate, how many files can the machine produce in a week?

Mathematical Equivalence

ON

A machine can produce 250 files per day. At this rate, how many days will it take the machine to produce 2250 files?

Mathematical Equivalence

ON

A supermarket sold bags of red apples at $23.22

for 6. They also sold bags of green apples at $14.88 for 4. Which type of apple was more expensive?

• Red Apples

• Green Apples

The table shows the international postage rates for sending a letter by registered mail. What is the postage for a letter with a mass of 120 g?

Mathematical Equivalence

ON

A seamstress usually charges $186 for 3 dresses. However, she charges $6 more per dress for orders received in December. Find how much Mrs Fong paid the seamstress if she ordered 4 dresses in October and 2 dresses in December.

• $62

• $248

• $372

• $384

Cheryl can­ type­ 95 ­words­ per ­minute.­ However, she types ­7 ­words­ wrongly­ every­ 6 ­minutes.­ How ­many words can Cheryl ­type­ correctly­ in­ 30 ­minutes?