<em>Aaron 14 years</em>
<em>Devon 17 years</em>
<em>D = A + 3</em>
<em>D + A = 31</em>
<em>replace D</em>
<em>A + 3 + A = 31</em>
<em>2A = 31 - 3</em>
<em>2A = 28</em>
<em>A = 14 years</em>
<em>D = 17 years</em>
Answer:
y=3/2
Step-by-step explanation:
This line's slope is perpendicular to -2/3 and its y intercept is 0.
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