Julie has some erasers. She has 13 less erasers in Box C than in Box D. After 23 erasers were transferred from Box D to Box C, there were 52 erasers in Box D.
- How many erasers were there in Box D at first?
- How many erasers were there in Box C in the end?
|
Box C |
Box D |
Before |
1 u |
1 u + 13 |
Change |
+ 23 |
- 23 |
After |
1 u + 23 |
52 |
(a)
Number of erasers in Box D at first
= 52 + 23
= 75
(b)
Number of erasers in Box C at first
= 75 - 13
= 62
Number of erasers in Box C in the end
= 62 + 23
= 85
Answer(s): (a) 75; (b) 85