A cafeteria worker places a scoop of mashed potatoes on every tray. After 80 people had gone through the lunch line, there were 920 ounces of mashed potatoes remaining. After 120 people had gone through the lunch line, there were 800 ounces of mashed potatoes remaining. If p represents the number of people going through the lunch line and w represents the ounces of mashed potatoes remaining, which equation can be used to model this situation?

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?