It’s b because if Mandy goes 18 days and her friend goes 3 times the days she goes.
You can replace the h and w with 6 and 3 in the expression. Then the expression is 12*6+30*3=162 dollars. So the amount paid to this employee is 162 dollars.
Multiply .15 by 24 to get your answer. The answer would be 3.6 which is $3.60 as your tip
I think you have to email them or something lol
