If Sarah is 80% of the way to achieving her goal and she has already run 40 miles, how many miles is she trying to run by the end of the month?

if 40 miles is is 80 percent of her goal and 40 is 80 percent of 50 then her goal for how many miles she wants to run by the end of the month is 50 miles.

y-y1=4(x-x1)

step-by-step explanation:

this is point-slope form since you only have 4 as the slope it goes in place of m

hope this : )