Write three equivalent ratios for the given ratio 4/3

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?

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?