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 Elsa?
- After Mary had spent $7 on a file. She divided the rest of her savings equally among the other 2 girls. How much money did each girl receive from Mary?
(a)
Amount that Mary saved more than Elsa
= (7 - 5) x 3
= 2 x 3
= $6
(b)
Amount that Mary had
= 7 x 3
= $21
Amount left after Mary spent on a file
= 21 - 7
= $14
Amount that each girl received
= 14 ÷ 2
= $7
Answer(s): (a) $6; (b) $7