The Johnson family buys gasoline at three different gas stations during a car trip. At the first station, they pay 25.20 for 12 gallons of gas.
At the second station, they pay 19.71 for 9 gallons of gas.
At the third station, they pay 33.12 for 16 gallons of gas.

What is the rate AND the unit rate of the cost per gallon at each station?

Which number line represents the solution set for the inequality -1/2x> 24?

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.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out