Tiffany had 4 times as many beads as Kimberly at first. After Tiffany gave 30 beads to Kimberly, they each had the same number of beads in the end. How many beads did Tiffany have at first?
| |
Tiffany |
Kimberly |
| Before |
4 u |
1 u |
| Change |
- 30 |
+ 30 |
| After |
4 u - 30 |
1 u + 30 |
Comparing Tiffany and
Kimberly in the end |
1 |
1 |
The number of beads that Tiffany and Kimberly had in the end is equal.
4 u - 30 = 1 u + 30
4 u - 1 u = 30 + 30
3 u = 60
1 u = 20
Number of beads that Tiffany had at first
= 4 u
= 4 x 20
= 80
Answer(s): 80
