Thursday

December 18, 2014

December 18, 2014

Posted by **taylar** on Tuesday, February 12, 2013 at 12:03am.

- math -
**Steve**, Tuesday, February 12, 2013 at 12:14amYou need to have two ways the variables are related. Take a look at some of the coin problems, mixture problems, tickets sold problems, etc. Do a search in the box at the top right and I'm sure you will see how they are done.

For example, if you have 7 coins (dimes and quarters) which add up to $1.15, then

d+q = 7

10d+25q = 115

**Answer this Question**

**Related Questions**

Math - How do you write a system of linear equations in two variables? Explain ...

math - How do you write a system of linear equations in two variables? Explain ...

Algebra I - How do you write a system of linear equations in two variables? ...

matt/116 - Will someone please help me find the answer to this question please. ...

algebra - Can someone please help. Explain how you can determine from the graph ...

algebra - I need help. Can someone help me please. Explain how you can determine...

math - Solve following system of equations? x+3z=-2 2x+2y+z=4 3x+y-2z=5 i need ...

algebra - Explain how you can determine from the graph of a system of two linear...

math 20 system of equations - I have been solving system of equations ...

Math - PreCalc (12th Grade) - Which statement is true for any linear system of ...