Please help!! Jaden bags groceries at Sprouts. On average, he fills 21 bags for every 3 customers. What is Jaden's rate of change and what does it represent?

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?

Ahealth-food producer has 250 samples of a new snack to distribute in the mall. the producer has to keep at least 50 samples for display in the health food for the product launch. how long will the samples last if consumers are taking the samples at a rate of 25 every hour

Me find the answer and explain the process to find the answer of the problem appreciate it : )