Lewis jogged 4 miles in 12 1
2
hour. His friend asked him what his speed was in miles per hour. He divided to find his speed, but he made a mistake.

Three of these reasons explain why his answer must be wrong. Which does NOT?

The answer is : this answer can not be a whole number

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?