Alice earned some money over the summer. She charged $11 per hour to baby-sit and $7.50 per hour to mow lawns. She baby-sat for
2 answers:
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Answer:
D
Step-by-step explanation:
Recall that the area of a triangle is given by:
In this case, the base is <em>x</em> and the height is <em>y</em>. Hence:
We can write the following ratios:
Solve for <em>x</em> and <em>y</em>:
Substitute:
And simplify. Hence:
In conclusion, our answer is D.