Math Homework Please Help?

Sheila’s job has a base monthly salary of $1,400. For every sale she makes, she earns $40. If Sheila’s goal is to earn $4,280 this month, how many sales does she need to make?
72
142
107
35

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2 Responses to “Math Homework Please Help?”

  1. Michael says:

    1400 + 40x = 4280
    40x = 2880
    x = 72

  2. mecdub says:

    Let x be the number of sales.
    1400 base salary
    40x salary from sales
    1400 + 40x = 4280
    40x = 2880
    x = 72

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