4 students converted between fractions, decimals, and percents . which of the following is a true statement? A) George and Joanne salt correctly B) Jack, Joanne and George solved correctly
C)Joanne and James solved incorrectly
D) everyone solved correctly

please give me an answer, and this is all so hard so if you can give me an explanation and answer will be really kind thank you have a good day!
also I will choose who is the Branliest​

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?

What is the midpoint of np if n (1,9) and p (-5-1)