PSLEThe graph shows the amount of money Ivan saved from his pocket money every month from February to June.
- How much money did Ivan save altogether from February to June?
- What was the average amount of money Ivan saved from February to June?
- Ivan saved $22 in July. The amount saved increased by 100% from July to August and another 100% from August to September. How much money did Ivan save in September?
(a)
Amount saved in February = $14
Amount saved in March = 0
Amount saved in April = $100
Amount saved in May = $70
Amount saved in June = $41
Total amount saved from February to June
= 14 + 100 + 70 + 41
= $225
(b)
Average amount saved from February to June
= 225 ÷ 5
= $45
(c)
Amount that Ivan saved in July = $22
Amount that Ivan saved in August
= 22 + 22
= $44
Amount that Ivan saved in September
= 44 + 44
= $88
Answer(s): (a) $225; (b) $45; (c) $88