PSLERachel 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 Rachel spent in Aug and in Nov?
- Write down all the months in which Rachel spent more than half her allowance. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Rachel spent in Jul = $29
Amount that Rachel spent in Aug = $51
Amount that Rachel spent in Sep = $56
Amount that Rachel spent in Oct = $32
Amount that Rachel spent in Nov = $21
Difference between the amounts Rachel spent in Aug and Nov
= 51 - 21
= $30
(b)
Half of Rachel's monthly allowance
= 78 ÷ 2
= $39
Months in which Rachel spent more than half her allowance: Aug, Sep
Answer(s): (a) $30; (b) Aug, Sep