SOLUTION: How do you solve a problem like this: And What is it called, Thank You! 2 5 - = - N

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: How do you solve a problem like this: And What is it called, Thank You! 2 5 - = - N       Log On


   



Question 162763: How do you solve a problem like this:
And What is it called, Thank You!

2 5
- = -
N 10

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
These are proportion or ratio problems


2%2Fn=5%2F10 Start with the given ratio


2=%285%2F10%29%2An Multiply both sides by n


2%2A10=5%2An Multiply both sides by 10


20=5%2An Multiply

20%2F5=n Divide both sides by 5


4=n Divide


So our answer is n=4