Question

The cost of 1 cup of tea and 5 cakes is £11

the cost 1 cup of tea and 3 cakes is £7
a) how much do 2 cakes cost
b) how much doers 1 cake cost

Answer 1

t + 5c = £11

t + 3c = £7

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2c = £4

c = £2, t = £1

a) 2 cakes cost £4.

b) 1 cake costs £2.