SOLUTION: 12 : m= 75 : 40 I think you multiply 12 by a number and then divide it by another, but I'm not sure what number to do first.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: 12 : m= 75 : 40 I think you multiply 12 by a number and then divide it by another, but I'm not sure what number to do first.      Log On


   

Question 928947: 12 : m= 75 : 40
I think you multiply 12 by a number and then divide it by another, but I'm not sure what number to do first.
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
12 : m= 75 : 40 = 12/m = 75/40
cross multiply the fractions
12*40 = 75m
75m = 480
m = 6.4