The line graph shows the amount of money Zane spent from July to December.
- Of the amount Zane spent in October, $187 was spent on clothes and the remaining amount was spent on food. How much did he spend on food in October?
- In which month did Zane spend $140 less than the previous month? Give your answer in this format. (Eg Jan)
(a)
Amount that Zane spent in October = $640
Amount that Zane spent on food
= 640 - 187
= $453
(b)
To find a decrease in a line graph, look for a decreasing slope.
The 2 decreasing slopes are from July to August and October to November. Now, find the month when Zane spent $140 less than the previous month.
Amount that Zane spent in July = $360
Amount that Zane spent in August = $220
Amount that Zane spent in August less than July
= 360 - 220
=
$140 (✓)
Amount that Zane spent in October = $640
Amount that Zane spent in November = $540
Amount that Zane spent in November less than October
= 640 - 540
= $100 (x)
The month that Zane spent $140 more than the previous month = Aug
Answer(s): (a) $453; (b) Aug