Bill buys 8 identical cricket balls. The total cost is £169.04 Work out the total cost of 19 of these cricket balls. (Calculator allowed).

Start by identifying the cost of one cricket ball: £169.04 ÷ 8 = £21.13 Next multiply this by the number of cricket balls he wants to buy: £21.13 x 19 = 401.47 The total cost of 19 cricket balls is £401.47