Answer: Stratified Random Sampling
Step-by-step explanation: Got it right
Answer:
60%
Step-by-step explanation:
24/40 = .6 x 100 = 60
Answer: 2450 min or 40hr and 50 min
Step-by-step explanation:
We can use a proportion to set up this equation.

We cross muliply so get our equation.



It took Mike 2450 min to read 1225 pages. We can also use a proportion to write this in hours



Ok, so if you do the math.. 8³ •8^-5 =512.0000305
So, in conclusion... the student is correct..