7171191837391011 382018w720101 2810117
X² = 1/4 ⇒√⇒ x₁ = 1/2, x₂ = -1/2
Let
x----------> tips
we know that
<span>Last week Ryan worked 32 hours and earned $403
so
32*5.30------> $169.6------> </span><span>carwash</span>
[total earned last week]=[carwash]+tips
tips=total earned-carwash
tips=403-169.6-----> tips=$233.4
the answer is
the option d
$233.4
