The graph shows the amount of money Tommy saved from his pocket money every month from March to July.
- How much money did Tommy save altogether from March to July?
- What was the average amount of money Tommy saved from March to July?
- Tommy saved $79 in August. The amount saved increased by 100% from August to September and another 100% from September to October. How much money did Tommy save in October?
(a)
Amount saved in March = $23
Amount saved in April = 30
Amount saved in May = $0
Amount saved in June = $66
Amount saved in July = $46
Total amount saved from March to July
= 23 + 30 + 66 + 46
= $165
(b)
Average amount saved from March to July
= 165 ÷ 5
= $33
(c)
Amount that Tommy saved in August = $79
Amount that Tommy saved in September
= 79 + 79
= $158
Amount that Tommy saved in October
= 158 + 158
= $316
Answer(s): (a) $165; (b) $33; (c) $316