Alex, Brandi, and Carson are working on math. Alex completed the homework in 20 minutes, Brandi completed the homework in 40 minutes, and Carson completed the homework in 10 minutes. If they all worked together, how long would it take them to complete it?

Every time you drive you will experience a combination of driving conditions and environments.

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?