Xandra has some coins. She has 10 less coins in Box D than in Box E. After 15 coins were transferred from Box E to Box D, there were 56 coins in Box E.
- How many coins were there in Box E at first?
- How many coins were there in Box D in the end?
|
Box D |
Box E |
Before |
1 u |
1 u + 10 |
Change |
+ 15 |
- 15 |
After |
1 u + 15 |
56 |
(a)
Number of coins in Box E at first
= 56 + 15
= 71
(b)
Number of coins in Box D at first
= 71 - 10
= 61
Number of coins in Box D in the end
= 61 + 15
= 76
Answer(s): (a) 71; (b) 76