PSLEKathy received $80 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 Kathy spent in Jul and in Oct?
- Write down all the months in which Kathy spent more than half her pocket money. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Kathy spent in Jun = $29
Amount that Kathy spent in Jul = $42
Amount that Kathy spent in Aug = $54
Amount that Kathy spent in Sep = $32
Amount that Kathy spent in Oct = $24
Difference between the amounts Kathy spent in Jul and Oct
= 42 - 24
= $18
(b)
Half of Kathy's monthly pocket money
= 80 ÷ 2
= $40
Months in which Kathy spent more than half her pocket money: Jul, Aug
Answer(s): (a) $18; (b) Jul, Aug