In how many years will a sum of money double itself at 18.75% per annum simple interest?​

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?

Determine domain and range, largest open interval, and intervals which function is continuous.

Use this graph to find the cost of 6 show tickets