SOLUTION: the ratio of two numbers is 12:15 and their difference is 21 what are the numbers

Algebra ->  Sequences-and-series -> SOLUTION: the ratio of two numbers is 12:15 and their difference is 21 what are the numbers      Log On


   

Question 820346: the ratio of two numbers is 12:15 and their difference is 21 what are the numbers
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

the ratio of two numbers is 12:15 and their difference is 21 

what are the numbers?  Let green%2812x%29 and green%2815x%29 represent the numbers

    15x - 12x = 21

           3x = 21

            x = 7,   Numbers are 84 and 105

CHECKING our answer***

   105 - 84 = 21