zombiebunny77oth083 zombiebunny77oth083

22-07-2017
Mathematics

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Jen and Crystal sell home theater systems. Jen earns a base salary of $2400 per month, plus $100 for each system he sells. Crystal earns a base salary of $2200 per month, plus $120 for each system she sells. How many systems do Jen and Crystal have to sell before they earn the same amount of money?

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texaschic101 texaschic101

22-07-2017

2400 + 100x = 2200 + 120x
2400 - 2200 = 120x - 100x
200 = 20x
200/20 = x
10 = x <== they would have to sell 10 systems

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