PSLEThe graph shows the amount of money Peter saved from his pocket money every month from February to June.
- How much money did Peter save altogether from February to June?
- What was the average amount of money Peter saved from February to June?
- Peter saved $44 in July. The amount saved increased by 100% from July to August and another 100% from August to September. How much money did Peter save in September?
(a)
Amount saved in February = $31
Amount saved in March = 0
Amount saved in April = $69
Amount saved in May = $90
Amount saved in June = $50
Total amount saved from February to June
= 31 + 69 + 90 + 50
= $240
(b)
Average amount saved from February to June
= 240 ÷ 5
= $48
(c)
Amount that Peter saved in July = $44
Amount that Peter saved in August
= 44 + 44
= $88
Amount that Peter saved in September
= 88 + 88
= $176
Answer(s): (a) $240; (b) $48; (c) $176