Diana, Jean and Marion have 447 cards altogether. After Jean gave Marion 55 cards and Marion gave Diana 16 cards, they all have equal number of cards.
- How many cards did each girl have in the end?
- How many cards did Marion have at first?
|
Diana |
Jean |
Marion |
Total |
Before |
|
|
? |
447 |
Change 1 |
|
- 55 |
+ 55 |
|
Change 2 |
+ 16 |
|
- 16 |
|
After |
149 |
149 |
149 |
447 |
(a)
Number of cards that each of them had in the end
= 447 ÷ 3
= 149
(b)
Number of cards that Marion had at first
= 149 + 16 - 55
= 110
Answer(s): (a) 149; (b) 110