PSLEBarbara received $84 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 Barbara spent in Nov and in Feb?
- Write down all the months in which Barbara spent more than half her pocket money. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Barbara spent in Oct = $41
Amount that Barbara spent in Nov = $45
Amount that Barbara spent in Dec = $55
Amount that Barbara spent in Jan = $38
Amount that Barbara spent in Feb = $23
Difference between the amounts Barbara spent in Nov and Feb
= 45 - 23
= $22
(b)
Half of Barbara's monthly pocket money
= 84 ÷ 2
= $42
Months in which Barbara spent more than half her pocket money: Nov, Dec
Answer(s): (a) $22; (b) Nov, Dec