Answer:
20 seconds
Step-by-step explanation:
i think this is right
So basically your doing unit rates? Well guess what, I'm studying about that also, and I have a little understanding about unit rates, have you done ratios before?
I believe that 21 is d 27 over 17
I believe that 22 is d because 16 divided by 3.20 is 5
sorry if I am wrong
I hope this helps you
M<3 = m<5
10x = 12x - 25
2x = 25
x = 12.5
answer is A. first choice
