what is the difference and similarities
if solving an equation with varibles in the equation if it had 1 or 2 or even 3 variables?

Here is one:

Money left in Wallet= money earned + money found - money lost - money spent.

I don't understand? can you please explain...

asked by jasmine20
  1. Cindy spends 20% of the money that she has on groceries.

    She has a total of $30.

    How much money did she spend on groceries?

    posted by angie
  2. 20% of $30
    =30 * 1/5
    = $6

    posted by Ellie

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    what are the similarities and differences between an arithmetic sequence and a linear equation? ok i know that arithmetic sequence is a sequence of real numbers for which each term is the previous term plus a constant (called the
  2. Algebra

    Explain the difference between solving a linear equation graphically and solving a system of equations graphically. How would I go about doing this?
  3. math

    what is the difference between ( and [ in context to solving algebric equation?
  4. Calculus

    Solve the differential equation dy/dx = -xe^y and determine the equation of the curve through P(1,2) I tried solving the differential equation and I get y = log(x^2/2 + C). Is this correct? Now I forgot how to find the equation.
  5. equations of tangents and normals

    hi, i'd really appreciate some help solving this question! I am completely at loss here :/ The question is to: Find the equation of the normal to y=loge(x+2) which is parallel to the line with equation y+3x-5=0 I am fine at
  6. Math

    (Factoring a sum or difference of cubes) and (solving a polynomial equation). 2x^3+2=0
  7. Math

    9(x+2)(x+1)-2(x+2)-4(x+1)=0 I'm in the middle of solving an equation. I know that you have to FOIL but how did they get 9(x^2+3x+2)-(4x+4)=0 ? I thought you distribute the 9 through (x+2)(x+1). and why is it (4x+4) instead of
  8. algebra (check answers)

    1. what equation represents the following word sentence? the quotient of a number b and 0.3 equals negative 10 i think it's b/0.3 = -10 2. which equation is equivalent to the following equation? -3/4x + 1/8 = -3/8 a. -3/4x = -3/8
  9. maths

    I've to solve the following absolute value equation 8|w-7|=72. I solved the equation and the answers I got were -2 and 16. However the problem is that when I'm checking the equation with the answers it's not coming right. I.E.
  10. math

    Heather is solving an equation by graphing the expressions on both sides. If her graph intersects at an infinite number of points, which statement could describe the equation Heather is attempting to solve? A. One side of the

More Similar Questions