Answer:
0.5 or 50%
Step-by-step explanation:
The number of total employees is:

The number of married employees is:

The probability that a randomly selected employee is not married is given by:

The probability is 0.5 or 50%.
Answer:
47
Step-by-step explanation:


Yes what is your question?
She earns 20 dollars as a carpenter and 25 dollars as a blacksmith
b+c=30 hours since she works 30 hours a week
25b+20c=690 since she earns 690 dollar totally and earns 25 dollars an hour as a blacksmith and 20 dollars an hour as a carpenter
lets multiply b+c=30 by -20
-20b-20c=-600
if we substract that from
25b+20c=690
5b=90
b=18 she worked as a blacksmith for 18 hours