Explain how the ratio shows everyone's share of the £7200: 1:2:5 (Jay's share:Sheila's Share:Harry's Share)Add up the terms of the ratio to find out many equal parts the £7200 is split into: 1+2+5=8 (parts)We now need to find out what 1 term/part represents (Using divison): £7200/8=£900 :.1 part = £900(Assist visually with a pie diagram with everybody's share shaded in)Now Find Harry's share: If 1 part = £900 :.5 Part = £900x5 = £4500