PSLEThe graph shows the amount of money Ryan saved from his pocket money every month from April to August.
- How much money did Ryan save altogether from April to August?
- What was the average amount of money Ryan saved from April to August?
- Ryan saved $67 in September. The amount saved increased by 100% from September to October and another 100% from October to November. How much money did Ryan save in November?
(a)
Amount saved in April = $28
Amount saved in May = 0
Amount saved in June = $39
Amount saved in July = $69
Amount saved in August = $24
Total amount saved from April to August
= 28 + 39 + 69 + 24
= $160
(b)
Average amount saved from April to August
= 160 ÷ 5
= $32
(c)
Amount that Ryan saved in September = $67
Amount that Ryan saved in October
= 67 + 67
= $134
Amount that Ryan saved in November
= 134 + 134
= $268
Answer(s): (a) $160; (b) $32; (c) $268