PSLEThe graph shows the amount of money Ian saved from his pocket money every month from January to May.
- How much money did Ian save altogether from January to May?
- What was the average amount of money Ian saved from January to May?
- Ian saved $58 in June. The amount saved increased by 100% from June to July and another 100% from July to August. How much money did Ian save in August?
(a)
Amount saved in January = $18
Amount saved in February = 0
Amount saved in March = $61
Amount saved in April = $94
Amount saved in May = $42
Total amount saved from January to May
= 18 + 61 + 94 + 42
= $215
(b)
Average amount saved from January to May
= 215 ÷ 5
= $43
(c)
Amount that Ian saved in June = $58
Amount that Ian saved in July
= 58 + 58
= $116
Amount that Ian saved in August
= 116 + 116
= $232
Answer(s): (a) $215; (b) $43; (c) $232