The line graph shows the amount of money Charlie spent from July to December.
- Of the amount Charlie spent in September, $131 was spent on food and the remaining amount was spent on clothes. How much did he spend on clothes in September?
- In which month did Charlie spend $140 more than the previous month? Give your answer in this format. (Eg Jan)
(a)
Amount that Charlie spent in September = $426
Amount that Charlie spent on clothes
= 426 - 131
= $295
(b)
To find an increase in a line graph, look for an increasing slope.
The 2 increasing slopes are from August to September and November to December. Now, find the month when Charlie spent $140 more than the previous month.
Amount that Charlie spent in August = $126
Amount that Charlie spent in September = $426
Amount that Charlie spent in September more than August
= 426 - 126
= $300 (x)
Amount that Charlie spent in November = $86
Amount that Charlie spent in December = $226
Amount that Charlie spent in December more than November
= 226 - 86
=
$140 (✓)
The month that Charlie spent $140 more than the previous month = Dec
Answer(s): (a) $295; (b) Dec