PSLEBetty received $66 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 Betty spent in May and in Aug?
- Write down all the months in which Betty spent more than half her pocket money. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Betty spent in May = $28
Amount that Betty spent in Jun = $24
Amount that Betty spent in Jul = $21
Amount that Betty spent in Aug = $46
Amount that Betty spent in Sep = $44
Difference between the amounts Betty spent in May and Aug
= 46 - 28
= $18
(b)
Half of Betty's monthly pocket money
= 66 ÷ 2
= $33
Months in which Betty spent more than half her pocket money: Aug, Sep
Answer(s): (a) $18; (b) Aug, Sep