Donald sells 760 marbles every day. he sells each marble for 1.5, point, 5 dollars. for how many days does donald need to sell marbles to earn 3420 dollars?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Aline passes through 3,7 and 6,9 what equation represents the line

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?