The line graph shows the amount of money Julian spent from July to December.

1. Of the amount Julian spent in November, $143 was spent on clothes and the remaining amount was spent on food. How much did he spend on food in November?
2. In which month did Julian spend $240 less than the previous month? Give your answer in this format. (Eg Jan)

(a)
Amount that Julian spent in November = $300

Amount that Julian spent on food
= 300 - 143
= $157

(b)
To find a decrease in a line graph, look for a decreasing slope. 

The 2 decreasing slopes are from September to October and October to November. Now, find the month when Julian spent $240 less than the previous month.

Amount that Julian spent in September = $820
Amount that Julian spent in October = $580

Amount that Julian spent in October less than September
= 820 - 580
= $240 (✓)

Amount that Julian spent in October = $580
Amount that Julian spent in November = $300

Amount that Julian spent in November less than October
= 580 - 300
= $280 (x)

The month that Julian spent $240 more than the previous month = Oct

Answer(s): (a) $157; (b) Oct