In a shopping centres,
811 of the customers were women. Within five minutes, 63 more women and 39 more men entered the shopping centres. As a result, there were 99 more women than men. How many customers were there altogether in the end?
|
Women |
Men |
Before |
8 u |
3 u |
Change |
+ 63 |
+ 39 |
After |
8 u + 63 |
3 u + 39 |
If there are another 99 men in the end, the number of men and women will be the same.
8 u + 63 = 3 u + 39 + 99
8 u - 3 u = 138 - 63
5 u = 75
1 u = 75 ÷ 5 = 15
Number of customers in the end
= 8 u + 63 + 3 u + 39
= 11 u + 102
= 11 x 15 + 102
= 165 + 102
= 267
Answer(s): 267