Xandra has some coins. She has 4 less coins in Bag E than in Bag F. After 9 coins were transferred from Bag F to Bag E, there were 70 coins in Bag F.
- How many coins were there in Bag F at first?
- How many coins were there in Bag E in the end?
|
Bag E |
Bag F |
Before |
1 u |
1 u + 4 |
Change |
+ 9 |
- 9 |
After |
1 u + 9 |
70 |
(a)
Number of coins in Bag F at first
= 70 + 9
= 79
(b)
Number of coins in Bag E at first
= 79 - 4
= 75
Number of coins in Bag E in the end
= 75 + 9
= 84
Answer(s): (a) 79; (b) 84