The graph shows the amount of money Billy saved from his pocket money every month from April to August.
- How much money did Billy save altogether from April to August?
- What was the average amount of money Billy saved from April to August?
- Billy saved $80 in September. The amount saved increased by 100% from September to October and another 100% from October to November. How much money did Billy save in November?
(a)
Amount saved in April = $27
Amount saved in May = 32
Amount saved in June = $0
Amount saved in July = $84
Amount saved in August = $42
Total amount saved from April to August
= 27 + 32 + 84 + 42
= $185
(b)
Average amount saved from April to August
= 185 ÷ 5
= $37
(c)
Amount that Billy saved in September = $80
Amount that Billy saved in October
= 80 + 80
= $160
Amount that Billy saved in November
= 160 + 160
= $320
Answer(s): (a) $185; (b) $37; (c) $320
