Percent means parts out of 100
69%=69/100=0.69
'of' means multiply
69% of 80=
0.69 times 80=
55.2
Answer:
$77 x 15/100 = $11.55
Step-by-step explanation:
15 percent of 77 dollars is 11.55
The concept that is useful in order to answer this item is the concept of ratio and proportion. Let x be the height of the rock from the ground. We use the equation below to answer.
5.5 ft / 18 ft = x ft / 209.5 ft
The value of x from the equation is 64 ft. Thus, they will be needing approximately 64 ft of rope.
I hope this helps you
O/360.2pi.19=4
O/180.3,14.19=4
O=12.0°
