The graph shows the amount of money saved by 3 girls in a week. Answer the following.
- How much more money did Mary save than Opal?
- After Ruby had spent $6 on a notebook. She divided the rest of her savings equally among the other 2 girls. How much money did each girl receive from Ruby?
(a)
Amount that Mary saved more than Opal
= (7 - 4) x 5
= 3 x 5
= $15
(b)
Amount that Ruby had
= 6 x 5
= $30
Amount left after Ruby spent on a notebook
= 30 - 6
= $24
Amount that each girl received
= 24 ÷ 2
= $12
Answer(s): (a) $15; (b) $12