The line graph shows the amount of money Peter spent from July to December.
- Of the amount Peter spent in August, $155 was spent on food and the remaining amount was spent on clothes. How much did he spend on clothes in August?
- In which month did Peter spend $140 more than the previous month? Give your answer in this format. (Eg Jan)
(a)
Amount that Peter spent in August = $300
Amount that Peter spent on clothes
= 300 - 155
= $145
(b)
To find an increase in a line graph, look for an increasing slope.
The 3 increasing slopes are from July to August, August to September and November to December. Now, find the month when Peter spent $140 more than the previous month.
Amount that Peter spent in July = $140
Amount that Peter spent in August = $300
Amount that Peter spent in August more than July
= 300 - 140
= $160 (x)
Amount that Peter spent in August = $300
Amount that Peter spent in September = $440
Amount that Peter spent in September more than August
= 440 - 300
=
$140 (✓)
Amount that Peter spent in November = $180
Amount that Peter spent in December = $480
Amount that Peter spent in December more than November
= 480 - 180
= $300 (x)
The month that Peter spent $140 more than the previous month = Sep
Answer(s): (a) $145; (b) Sep