Valen invited 3 more men than women to his party.
23 of the men and
16 of the women turned up at the party. A total of 29 adults who were invited did not turn up. How many adults did he invite?
|
Men |
Women |
Total |
Comparing men and women |
3 more |
|
|
Total |
3x2 = 6 u |
+ 3 |
6x1 = 6 u |
|
Turned up |
2x2 = 4 u |
+ 2 |
1x1 = 1 u |
|
Did not turn up |
1x2 = 2 u |
+ 1 |
5x1 = 5 u |
29 |
|
Men |
Women |
Total |
Total |
6 u |
+ 3 |
6 u |
|
Turned up |
4 u |
+ 2 |
1 u |
|
Did not turn up |
2 u |
+ 1 |
5 u |
29 |
23 x 3 = 2
3 - 2 = 1
Total number of adults in the end
= 2 u + 1 + 5 u
= 7 u + 1
7 u + 1 = 29
7 u = 29 - 1
7 u = 28
1 u = 28 ÷ 7 = 4
Number of adults that Valen invited
= 6 u + 3 + 6 u
= 12 u + 3
= 12 x 4 + 3
= 48 + 3
= 51
Answer(s): 51