Carmen is paid piece-rate for each of the 268 items he produces in a week, and she receives gross wages of $469. What is Carmen's per piece
rate?
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Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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?

Ineed with math stuff it involves graphs