Understanding rate

Maths

Ratio, real life graphs, and rates of change

Three of the same pen cost £5.40. How much do six of the same pen cost?

Pete is painting the walls of his bedroom. So far he has used 5 litres of paint and covered 24 m² of wall. What area will 20 litres cover?

Pete is painting the walls of his bedroom. So far he has used 5 litres of paint and covered 24 m² of wall. How much paint will 480 m² of wall require?

Ribbon is sold at a rate of £3 per 2 m. How much would I pay for 9 m of ribbon?

Amara is going on holiday. For every £15 she exchanges, she will receive $19. How much money will she get if she exchanges £112.50?

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