Event A: lands on a number greater than 4 Event B: lands on purple

Events A and B are
disjointed
events.

P(A or B) = ___

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Multiply. write your answer in simplest form. 3/8 x 5/7

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?