SOLUTION: I need help solving this equation. Mr gray sells only 1 mower at $375. If he receives a 20% commission on the mower he sells what is the lowest number of mowers he must sell ea

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Question 814907: I need help solving this equation.
Mr gray sells only 1 mower at $375. If he receives a 20% commission on the mower he sells what is the lowest number of mowers he must sell each week to receive an income higher than $500 a week.
Thank you SO much!

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Mr gray sells only 1 mower at $375. If he receives a 20% commission on the mower he sells what is the lowest number of mowers he must sell each week to receive an income higher than $500 a week.
one mower 375
commission 20 %
let the number of mowers sold be x to get more than $500
sale from x mowers = 575 x
interest for x mowers = 20%*575 x
this should be greater than 500
20%2F100+%2A575+%2Ax%3E500+
x+%3E+%28500%2A100%29%2F%28575%2A20%29
4.3
minimum 5 mowers must be sold