How do I get total bill

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2