Kylie had 90% as many candy canes as Pamela. Kylie gave away 25% of her candy canes and Pamela bought another 75 candy canes. As a result, Kylie now has 60% as many candy canes as Pamela. Find the number of candy canes that Kylie had in the end.
| |
Kylie |
Pamela |
| Before |
9x3 |
10x3 |
| Change |
- 2.25x3 |
+ 75 |
| After |
6.75x3 |
10x3 + 75 |
Comparing Kylie and
Pamela in the end |
3x6.75 |
5x6.75 |
| |
Kylie |
Pamela |
| Before |
27 u |
30 u |
| Change |
- 6.75 u |
+ 75 |
After
|
20.25 u
|
30 u + 75 =
33.75 u |
90% =
90100 =
91025% x 9
=
25100 x 9
= 2.25
60% =
60100 =
35The number of candy canes that Kylie had in the end is repeated.
Make the number of candy canes that Kylie had in the end the same.
The number of candy canes that Pamela had in the end is repeated.
30 u + 75 = 33.75 u
33.75 u - 30 u = 75
3.75 u = 75
1 u = 75 ÷ 3.75 = 20
Number of candy canes that Kylie had in the end
= 20.25 u
= 20.25 x 20
= 405
Answer: 405
