Erika received $84 from her father each month for her pocket money. The line graph shows the amount of pocket money she spent each month.
- What is the difference between the amounts Erika spent in Jul and in Sep?
- Write down all the months in which Erika spent more than half her pocket money. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Erika spent in May = $58
Amount that Erika spent in Jun = $41
Amount that Erika spent in Jul = $42
Amount that Erika spent in Aug = $23
Amount that Erika spent in Sep = $45
Difference between the amounts Erika spent in Jul and Sep
= 45 - 42
= $3
(b)
Half of Erika's monthly pocket money
= 84 ÷ 2
= $42
Months in which Erika spent more than half her pocket money: May, Sep
Answer(s): (a) $3; (b) May, Sep