PSLESarah received $68 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 Sep and in Dec?
- 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 = $24
Amount that Sarah spent in Sep = $35
Amount that Sarah spent in Oct = $50
Amount that Sarah spent in Nov = $28
Amount that Sarah spent in Dec = $29
Difference between the amounts Sarah spent in Sep and Dec
= 35 - 29
= $6
(b)
Half of Sarah's monthly allowance
= 68 ÷ 2
= $34
Months in which Sarah spent more than half her allowance: Sep, Oct
Answer(s): (a) $6; (b) Sep, Oct