PSLESarah received $80 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 Sarah spent in Aug and in Nov?
- Write down all the months in which Sarah spent more than half her allowance. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Sarah spent in Aug = $56
Amount that Sarah spent in Sep = $53
Amount that Sarah spent in Oct = $31
Amount that Sarah spent in Nov = $38
Amount that Sarah spent in Dec = $36
Difference between the amounts Sarah spent in Aug and Nov
= 56 - 38
= $18
(b)
Half of Sarah's monthly allowance
= 80 ÷ 2
= $40
Months in which Sarah spent more than half her allowance: Aug, Sep
Answer(s): (a) $18, (b) Aug, Sep