PSLERisa received $90 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 Risa spent in Feb and in May?
- Write down all the months in which Risa spent more than half her allowance. Give the answer in short form. (Eg Jan, Mar)
(a)
Amount that Risa spent in Feb = $21
Amount that Risa spent in Mar = $29
Amount that Risa spent in Apr = $29
Amount that Risa spent in May = $55
Amount that Risa spent in Jun = $51
Difference between the amounts Risa spent in Feb and May
= 55 - 21
= $34
(b)
Half of Risa's monthly allowance
= 90 ÷ 2
= $45
Months in which Risa spent more than half her allowance: May, Jun
Answer(s): (a) $34; (b) May, Jun