SOLUTION: You charge $8 per hour for swimming lessons and $20 registration fee. If you make $52 one day, how many hours did you spend teaching lessons. Alex sells $400 a week plus $150 pe

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: You charge $8 per hour for swimming lessons and $20 registration fee. If you make $52 one day, how many hours did you spend teaching lessons. Alex sells $400 a week plus $150 pe      Log On


   

Question 1098640: You charge $8 per hour for swimming lessons and $20 registration fee. If you make $52 one day, how many hours did you spend teaching lessons.
Alex sells $400 a week plus $150 per car he sells, if he earned #1450 last week, how many cars did he sell.
How can i complete the following with the properties used to solve 4 (×+3)=20, for both problems. Please help.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
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Alex sells $400 a week plus AND EARNS $150 per car he sells, if he earned # $1450 last week, how many cars did he sell.
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x number of cars sold per week

150x%2B400=1450
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3x%2B8=29
3x=21
highlight_green%28x=7%29