In a shopping centres,
811 of the customers were men. Within five minutes, 67 more men and 40 more women entered the shopping centres. As a result, there were 102 more men than women. How many customers were there altogether in the end?
|
Men |
Women |
Before |
8 u |
3 u |
Change |
+ 67 |
+ 40 |
After |
8 u + 67 |
3 u + 40 |
If there are another 102 women in the end, the number of women and men will be the same.
8 u + 67 = 3 u + 40 + 102
8 u - 3 u = 142 - 67
5 u = 75
1 u = 75 ÷ 5 = 15
Number of customers in the end
= 8 u + 67 + 3 u + 40
= 11 u + 107
= 11 x 15 + 107
= 165 + 107
= 272
Answer(s): 272