Anna and Pamela shared some cards. Anna had 25% of what Pamela had at first. Anna then gave Pamela
57 of what she had. How many less percent did Anna have than Pamela in the end? Correct the answer to 1 decimal place.
| |
Anna |
Pamela |
Comparing Anna
and Pamela at first |
4x7 =
28 u |
1x7 =
7 u |
| Before |
7x4 =
28 u |
|
| Change |
- 5x4 =
- 20 u |
+ 5x4 =
+ 20 u |
| After |
2x4 =
8 u |
27 u |
25% =
25100 =
14The number of cards that Anna had at first is repeated. Make the number of cards that Anna had at first the same. LCM of 4 and 7 is 28.
Number of cards that Pamela had in the end
= 7 u + 20 u
= 27 u
Number of less cards that Anna had than Pamela in the end
= 27 u - 8 u
= 19 u
Number of less cards that Anna had than Pamela in the end in percent
=
1927 x 100%
≈ 70.4%
Answer(s): 70.4%
