party trays, which cost $14.00 to make not including labor, are sold for $35.00. if two people work 8 hour shifts making the trays at $7.00 per hour, how many trays must be sold to cover all cost including labor?

Which rational number could be graphed between -4 and -5

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have