Question

Kendra earns $10 per hour babysitting and $15 per hour providing tech support. Her goal is to save at least $1000 by the end of the month while not working more than 80 hours. What is the fewest number of hours she could work and still meet her goal

Answer 1

The fewest number of hours from the graph is 73 hours.

Equation

Equation is an expression used to show the relationship between two or more numbers and variables.

Let x represent the number of $10 course and y represent the number of $15 course.

Her goal is to save at least $1000, hence:

• 10x + 15y ≥ 1000    (1)

Also:

• x + y ≤ 80   (2)

The fewest number is (20, 53)

The fewest number of hours from the graph is 73 hours.

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