Write and solve a system of equations to solve the problem.
At a film festival, Film A is 4 times as long as Film B. Together, the films are 160 min long. How long is each film?
D
A. A + B = 160; 4A=B
Film A: 30 min, Film B: 130 min
B BA 12. am B: 32 min
B. B+A= 160; 4B = A
Film A: 128 min. Film B: 32 min
O
C
AB = 160; 4A=B
Film A: 40 min, Film B: 120 min
D.
A = 4 A+ B = 160
Film A: 120 min, Film B: 40 min

e) none of the above because the measure of angle cba is 101°

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!

x

step-by-step explanation:

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."