Answer:
A) 360 adults
Step-by-step explanation:
c=quantity of child
a=quantity of adult
9c+12.5a=5220
a+c=440 then c=440-a
substitute for c
9(440-a)+12.5a=5220
3960-9a+12.5a=5220
reduce
3.5a=1260
a=360
Distance = rate x time
D = 450 mph x 2.5 h
D = 1,125 miles
C.6 is your answer. half of 4 is 2, and your smaller triangle is 2 and 3, half of 6 is 3.
I think the correct answer from the choices listed above is option B. Quadrilateral ABCD must be a rectangle because it is characterized by having <span>opposite sides that are parallel and side AB congruent to side DC which are characteristics of a rectangle.</span>
Answer:
72
Step-by-step explanation: