What is the weekly gross pay of a mechanic earning $10.50 per hour working 48 hours per week? (Overtime is time and a half for hours over 40)

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

How is the interquartile range calculated?