
Concept explainers
To find: the number of lawns they must mow in order to start earning a profit.

Answer to Problem 1E
The number of lawns S and J should mow in order to start the earning profit 1282.
Explanation of Solution
Given information:
S and J borrowed $1400 to start a lawn mowing business. They charge their customers $45 per lawn, and with given lawn that they mow, they incur $10.50 in operating expenses.
Calculation:
Suppose
The linear equation for this model is:
Multiply equation
Divide both sides by 11.50
Substitute the value of
Therefore, the number of lawns S and J should mow in order to start the earning profit 1282.
Chapter 3 Solutions
Glencoe Algebra 2 Student Edition C2014
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