In a shopping centres,
79 of the customers were women. Within five minutes, 56 more women and 21 more men entered the shopping centres. As a result, there were 100 more women than men. How many customers were there altogether in the end?
|
Women |
Men |
Before |
7 u |
2 u |
Change |
+ 56 |
+ 21 |
After |
7 u + 56 |
2 u + 21 |
If there are another 100 men in the end, the number of men and women will be the same.
7 u + 56 = 2 u + 21 + 100
7 u - 2 u = 121 - 56
5 u = 65
1 u = 65 ÷ 5 = 13
Number of customers in the end
= 7 u + 56 + 2 u + 21
= 9 u + 77
= 9 x 13 + 77
= 117 + 77
= 194
Answer(s): 194