GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Percentages - Explained

The video tutorial explains how Renee buys 5 kg of sweets for £10 and sells them in 250g bags at 65 pence each. It details the calculation of the number of bags, total sales, profit, and percentage profit. Renee makes 20 bags, sells them for £13, and earns a £3 profit, resulting in a 30% profit. The tutorial highlights key steps and marks for solving the problem.

What is the initial cost of the sweets that Renee buys?

• £15

• £10

• £20

• £5

How many 250-gram bags can be made from 1 kilogram of sweets?

• 3 bags

• 2 bags

• 4 bags

• 5 bags

How many bags does Renee make from 5 kilograms of sweets?

• 10 bags

• 15 bags

• 20 bags

• 25 bags

What is the total revenue from selling all the bags of sweets?

• £15

• £10

• £12

• £13

What is the profit Renee makes from selling the sweets?

• £5

• £4

• £3

• £2

How is the percentage profit calculated?

• Total revenue divided by initial cost

• Initial cost divided by profit

• Profit divided by initial cost

• Profit divided by total revenue

What is the percentage profit that Renee makes?

• 25%

• 35%

• 20%

• 30%