Answer:
36/5
Step-by-step explanation:
you re welcome
$55+$40=95 for 1 hr
95x2=$190
so she came for 2 hrs
It's actually really simple! All you gotta do is write down the 2 fractions and multiply both the denominators and numerators. After you get the answer, just simply the fraction and you have your final answer!
First, x=1 is a vertical line. A line that is perpendicular would be horizontal so it would have a slope of 0. A line parallel to it would be vertical too so it would have and infinite gradient.