If 32% of a number is 64, what is the number?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

For what value of (y) is 3^3/3^y =1/9

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?