The graph shows the amount of money Riordan saved from his pocket money every month from January to May.
- How much money did Riordan save altogether from January to May?
- What was the average amount of money Riordan saved from January to May?
- Riordan saved $52 in June. The amount saved increased by 100% from June to July and another 100% from July to August. How much money did Riordan save in August?
(a)
Amount saved in January = $34
Amount saved in February = 45
Amount saved in March = $0
Amount saved in April = $85
Amount saved in May = $76
Total amount saved from January to May
= 34 + 45 + 85 + 76
= $240
(b)
Average amount saved from January to May
= 240 ÷ 5
= $48
(c)
Amount that Riordan saved in June = $52
Amount that Riordan saved in July
= 52 + 52
= $104
Amount that Riordan saved in August
= 104 + 104
= $208
Answer(s): (a) $240; (b) $48; (c) $208
