There are 3 shapes present.
Triangle - 2
Circle - 4
Square - 2
Ratio of triangles to cirles: 2 triangles to 4 circles ⇒ 2/4
2/4 simplified to 1/2.
Answer:
13, 14, 15 right?
Step-by-step explanation:
.875 seconds
a=360t
b=280t+(280*.25)
360t=280t+(280*.25)
360t=280t+70
80t=70
t=.875