Question 185009: one number equals three times another number.the difference between the numbers is 10.find the numbers. Answer by awang1996(50) (Show Source):
You can put this solution on YOUR website! one number equals three times another number.the difference between the numbers is 10.find the numbers.
one number = x
another number = y
x=3y
x-y=10
substitute:
x-y=10 turns into
3y-y=10 (simplify)
2y=10 (divide by two)
y=5
put back into original equation:
x=3y
x=3(5)
x=15
x=15, y=5