Vanessa has some cards. She has 10 less cards in Box Y than in Box Z. After 21 cards were transferred from Box Z to Box Y, there were 74 cards in Box Z.
- How many cards were there in Box Z at first?
- How many cards were there in Box Y in the end?
|
Box Y |
Box Z |
Before |
1 u |
1 u + 10 |
Change |
+ 21 |
- 21 |
After |
1 u + 21 |
74 |
(a)
Number of cards in Box Z at first
= 74 + 21
= 95
(b)
Number of cards in Box Y at first
= 95 - 10
= 85
Number of cards in Box Y in the end
= 85 + 21
= 106
Answer(s): (a) 95; (b) 106