PSLEMary received $78 from her father each month for her allowance. The line graph shows the amount of allowance she spent each month.
- What is the difference between the amounts Mary spent in Aug and in Nov?
- Write down all the months in which Mary spent more than half her allowance. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Mary spent in Jul = $27
Amount that Mary spent in Aug = $53
Amount that Mary spent in Sep = $45
Amount that Mary spent in Oct = $25
Amount that Mary spent in Nov = $33
Difference between the amounts Mary spent in Aug and Nov
= 53 - 33
= $20
(b)
Half of Mary's monthly allowance
= 78 ÷ 2
= $39
Months in which Mary spent more than half her allowance: Aug, Sep
Answer(s): (a) $20; (b) Aug, Sep