To get to 20 minutes from 2 minutes you multiply by 10, do the same to the 30 problems to get 300. The answer is 300 problems in 20 minutes.
Answer:
0.333 in / hr
Step-by-step explanation:
203 / 25.4
7.992 in
7.922 in / day
7.922 in / 24 hr
0.333 in / hr
Answer:
20x^4y^6
Step-by-step explanation:

Answer:
45.2 is the constant of proportionality.
Step-by-step explanation:
252 divided by 7
The answer is 36 in each batch