On Friday, there were 25 more adults than children at the trampoline park. On Saturday, the number of adults decreased by 60% and the number of children decreased by 80%. There were 34 people on Saturday. How many adults were there on Saturday?
|
Adults |
Children |
Total |
Comparing adults and children at first |
25 more |
|
|
Before |
5 u |
+ 25 |
5 u |
|
Change |
- 3 u |
- 15 |
- 4 u |
|
After |
2 u |
+ 10 |
1 u |
34 |
60% =
60100 =
35 60% x 25 =
35 x 25 = 15
25 - 15 = 10
80% =
80100 =
45 Total number of people on Saturday
= 2 u + 10 + 1 u
= 3 u + 10
3 u + 10 = 34
3 u = 34 - 10
3 u = 24
1 u = 24 ÷ 3 = 8
Number of adults on Saturday
= 2 u + 10
= 2 x 8 + 10
= 16 + 10
= 26
Answer(s): 26