Answer:
15 % are running for a cause.
Step-by-step explanation:
120 out of 800 are running for a cause.
So out of 100, 120 / 8
= 15 are running for a cause.
15 out of a 100 = 15%.
15
Answer liner
t = 0.7
s = k/t where 'k' is the constant of variation
given: 0.5 = k/7 so k = 3.5
5 = 3.5/t
5t = 3.5
(3) Diagonals are perpendicular