Sofia believes that 7 is the value for x that makes the equation 3x+4=25 true. is she correct.

Find percent notation for 0.008 0.008=

If 20% of a number is 35, what is 50% of that number?

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?