You have $80 and your
brother has $275 dollars. You save $10
of your allowance each week. Your
brother spends his allowance plus $15 each week.
an equation to model this.
How long before you have as much money as your
How much have you saved when you catch up to
Thank you for the opportunity to help you with your question!
Let the x is number of week
than Equation of your money after x week = 80+10x
Equation for Brother's money after x weeks = 280-15x
80+10x = 280-15x ; 25x =200 ; x = 200/25 = 8 weeks
C) saving in 8 weeks = 8*10 = $80
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