Answer:

Step-by-step explanation:
Given


Required

This is calculated as the number of women divided by the population of the class
i.e.

So, we have:


Answer:
2x3 =6 than 5x3=15 than you gonna add
Step-by-step explanation:
Assuming the keypad has all 26 letters and the numbers 1-9 there are 2106 possible codes
9x9x26=2106