Answer questions 8 and 10. Show your work for 8 and explain for 10.

Answer:
8- agree with jordan10- 36 seconds in
Step-by-step explanation:
8-
21÷28=75 percent
30÷40=75 percent
Jordan is right, they both equal the same amount (.75) when divided
10- the red and blue light blink the same time on the 36th second this is because both 9 and 12 are dividable by 36
9,18,27,36
12,24,36