Question

9. A cup of tea costs x pence. Coffee costs 20 pence more. Hermes buys 2 cups of tea and one cup of coffee. In total Hermes pays £3.80. Work out the cost of a cup of tea.​

Answer 1

• £1.20

Explanation:

Given:

• Tea = x
• Coffee = x + 0.2

Comparing the total cost, work out the value of x:

• 2x + x + 0.2 = 3.80
• 3x = 3.60
• x = 1.20