Tom invited 3 more men than women to his party.
13 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 |
1x2 =
2 u |
+ 1 |
1x1 =
1 u |
|
| Did not turn up |
2x2 =
4 u |
+ 2 |
5x1 =
5 u |
29 |
| |
Men |
Women |
Total |
| Total |
6 u |
+ 3 |
6 u |
|
| Turned up |
2 u |
+ 1 |
1 u |
|
| Did not turn up |
4 u |
+ 2 |
5 u |
29 |
13 x 3 = 1
3 - 1 = 2
Total number of adults in the end
= 4 u + 2 + 5 u
= 9 u + 2
9 u + 2 = 29
9 u = 29 - 2
9 u = 27
1 u = 27 ÷ 9 = 3
Number of adults that Tom invited
= 6 u + 3 + 6 u
= 12 u + 3
= 12 x 3 + 3
= 36 + 3
= 39
Answer(s): 39
