Question

5 calculators cost £31.25

3 pens cost £2.91
Work out the cost of 30 calculators and 30 pens.

Answer 1

£216.60

Explanation:

If 5 calculators cost £31.25, then each calculator costs £6.25

If 3 pens cost £2.91, then each pen cost £0.97

30(6.25) + 30(0.97) = £216.60