Answer:
He can grade 1.25 assignments in 1 minute.
Step-by-step explanation:
Because the teacher can grade 25 assignments in 20 minutes, we can dive 25 by 20 to get the constant rate.

So he can grade 1.25 assignments in 1 minute.
Answer:
uh okay I'm just stumbling upon questions like this
1. x=4, y=0
3. x=2.6666, y=0.3333
Answer:
0.24---> 24/100 ---> 6/25
Step-by-step explanation:
hope that helps
Answer:
x=12 or x= -12 (answer A)
Step-by-step explanation:
|x| – 5 = 7
|x| = 12
x=12 or x= -12 (answer A)