Answer:
A
Step-by-step explanation:
If the cosine is 1/2, and the angle is acute, then the angle is 60 degrees. Using the rules for a 30-60-90 right triangle, hyp=2 times the short leg. So 7/2= 3.5.
I hope this helps you
1/2-3/7
7.1/2.7-2.3/2.7
7/14-6/14
1/14
5 x 3 = 15
30 x 3 = 90
15+90=105
so that person paid $105 for that day
1.355 meters. hope that helped
