An employee works 21 days per month. if they work an average of 7.5 hours per day, how many hours do they work per month

157.5 hours per month

Step-by-step explanation:

Given: An employee works 21 days per month. If they work an average of 7.5 hours per day.

i.e. The number of days an employee works in a month =21

The average hours an employee works in a day=7.5 hours

Then, the total hours they work in a month =

i.e. The total hours they work in a month = 157.5 hours

Hence, They work 157.5 hours per month.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

your answer would be 12