SOLUTION: Helen has twice as much money as John, who has $x. Anne has three times as much money as Helen. Altogether between them they have $1800. a). Write down an equation in x. b).

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Helen has twice as much money as John, who has $x. Anne has three times as much money as Helen. Altogether between them they have $1800. a). Write down an equation in x. b).       Log On


   

Question 891930: Helen has twice as much money as John, who has $x. Anne has three times as much money as Helen. Altogether between them they have $1800.
a). Write down an equation in x.
b). Solve the equation to find how much money John has.
Answer by regularasdf(2) About Me  (Show Source):
You can put this solution on YOUR website!
John= x
Helen = 2x
Anne = 3%2A2x i.e. 6x
x%2B2x%2B6x=1800
9x=1800
%289x%29%2F9+=+1800%2F9%29
x+=+200
John has 200$
Helen has 400$
Anne has 1200$