Riordan invited 3 more men than women to his party.
23 of the men and
56 of the women turned up at the party. A total of 13 adults who were invited did not turn up. How many adults turned up at the party?
|
Men |
Women |
Total |
Comparing men and women |
3 more |
|
|
Total |
3x2 = 6 u |
+ 3 |
6x1 = 6 u |
|
Turned up |
2x2 = 4 u |
+ 2 |
5x1 = 5 u |
|
Did not turn up |
1x2 = 2 u |
+ 1 |
1x1 = 1 u |
13 |
|
Men |
Women |
Total |
Total |
6 u |
+ 3 |
6 u |
|
Turned up |
4 u |
+ 2 |
5 u |
|
Did not turn up |
2 u |
+ 1 |
1 u |
13 |
23 x 3 = 2
3 - 2 = 1
Total number of adults in the end
= 2 u + 1 + 1 u
= 3 u + 1
3 u + 1 = 13
3 u = 13 - 1
3 u = 12
1 u = 12 ÷ 3 = 4
Number of adults who turned up for the party
= 4 u + 2 + 5 u
= 9 u + 2
= 9 x 4 + 2
= 36 + 2
= 38
Answer(s): 38