SOLUTION: x+(3/4)x+(4/5)x=1260 a family runs a total distance of 1260 km over the course of 3 days. the second day they run 4/5 the distance of the first day on day two and 3/4 of the dist

Algebra ->  Equations -> SOLUTION: x+(3/4)x+(4/5)x=1260 a family runs a total distance of 1260 km over the course of 3 days. the second day they run 4/5 the distance of the first day on day two and 3/4 of the dist      Log On


   



Question 739201: x+(3/4)x+(4/5)x=1260
a family runs a total distance of 1260 km over the course of 3 days. the second day they run 4/5 the distance of the first day on day two and 3/4 of the distance of the first day the third day how long did they run each day

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
This simply means to solve for x and then compute each of the three separate terms.

The LCD is 4%2A5, so clear the fractions by multiplying left side and right side by 4%2A5. Your second step will give you 20x%2B15x%2B16x=20%2A1260, and you can simplify and solve from that.

(I'm finding x=494)