PSLEThe graph shows the amount of money Tom saved from his pocket money every month from March to July.
- How much money did Tom save altogether from March to July?
- What was the average amount of money Tom saved from March to July?
- Tom saved $86 in August. The amount saved increased by 100% from August to September and another 100% from September to October. How much money did Tom save in October?
(a)
Amount saved in March = $38
Amount saved in April = 0
Amount saved in May = $89
Amount saved in June = $76
Amount saved in July = $87
Total amount saved from March to July
= 38 + 89 + 76 + 87
= $290
(b)
Average amount saved from March to July
= 290 ÷ 5
= $58
(c)
Amount that Tom saved in August = $86
Amount that Tom saved in September
= 86 + 86
= $172
Amount that Tom saved in October
= 172 + 172
= $344
Answer(s): (a) $290; (b) $58; (c) $344