SOLUTION: Sierra has $65 in her bank account she receives an allowance of $4.50 every week for doing her chores her brother John has $90 in his bank account but loses $2.50 every week for no

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Sierra has $65 in her bank account she receives an allowance of $4.50 every week for doing her chores her brother John has $90 in his bank account but loses $2.50 every week for no      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1172227: Sierra has $65 in her bank account she receives an allowance of $4.50 every week for doing her chores her brother John has $90 in his bank account but loses $2.50 every week for not completing his homework after how many weeks with Sierra and John have saved the same amount
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
it is when 65+4.5x=90-2.5x, x being the number of weeks
7x=25
x=3 4/7 weeks. There is not an integer answer.
after week 1 69.50 and 87.50
after week 2 74 and 85
after week 3 78.5 and 82.5
after week 4 83 and 80

Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.

One line for the equation


    65 + 4.50*w = 90 - 2.50w,   where w is the number of weeks.


Second line for the solution


    w = %2890+-+65%29%2F%284.50%2B2.50%29 = 3.571.    ANSWER

If you don't like non-integer answer, then revise your input data.


/\/\/\/\/\/\/\/\/

Also, to write accurately, use punctuation signs properly.