The number of boys in the 7th grade is 4/5 (fraction) the number of girls. if there are 360 boys and girls together in the 7th grade, how many girls are there? ( explain how you found the answer)

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?

Need so much on this one how many yards?

Find the value of the combination. 5 c 5