The graph shows the amount of money Jack saved from his pocket money every month from March to July.
- How much money did Jack save altogether from March to July?
- What was the average amount of money Jack saved from March to July?
- Jack saved $92 in August. The amount saved increased by 100% from August to September and another 100% from September to October. How much money did Jack save in October?
(a)
Amount saved in March = $15
Amount saved in April = $63
Amount saved in May = $32
Amount saved in June = $0
Amount saved in July = $35
Total amount saved from March to July
= 15 + 63 + 32 + 35
= $145
(b)
Average amount saved from March to July
= 145 ÷ 5
= $29
(c)
Amount that Jack saved in August = $92
Amount that Jack saved in September
= 92 + 92
= $184
Amount that Jack saved in October
= 184 + 184
= $368
Answer(s): (a) $145; (b) $29; (c) $368