Saturday

April 19, 2014

April 19, 2014

Posted by **Tiffany** on Tuesday, July 6, 2010 at 1:41pm.

solve for x

- math -
**Jen**, Tuesday, July 6, 2010 at 2:18pmCross multiply and you get 30x=600. 600/30 will give you your answer.

- math -
**Damon**, Tuesday, July 6, 2010 at 2:24pmdivide top and bottom of left by 2

4/15 = x/75

multiply both sides by 5

4/3 = x/15

then multiply both sides by 3

4 =x/5

now that it is manageable, multiply both sides by 5

20 = x

**Related Questions**

Math - Solving Trig Equations - Solve each equation on the interval: 0 is less ...

Calc. - a)If f(x)= x/(x+2), 1 less than or equal to x less than or equal to 4, ...

math-calculus - 30/x^2-25 = 3/x-5-2/x+5 i be left with 30 = 3x^2-75-2x^2+50 i ...

Math - I need help with these please: 4. Simplify sqrt27/75. The answer should ...

bobpursly, check please,math - do you mean like this: 720/(V-30) + 720/(V+30) = ...

math - an employee pays 250 in taxes during one month. the tax rate is 30% what...

7th Grade Math - Write one or two equations to represent the situation below. ...

Trigonometry - using csc = 3.75, solve for sides: a= 3 b= ? c= ? and the ...

math - 1.3:75 to a percentage 2.1:30 to a percentage 3.4/8 to a ratio 4.20/100 ...

math-calculus - 30/x^2-25 = 3/x-5-2/x+5 i be left with 30 = 3x^2-75-2x^2+50 i ...