Answer:
25 questions
Step-by-step explanation:
2 students can answer 40 questions in 1 h.
1 student can answer 20 questions in 1 h (60 min).
1 student can answer 5 questions in ¼ h (15 min).
5 students can answer 25 questions in ¼ h.
I think it’s the second option
To get days from minutes, you should get to hours because the calculations are ten times easier. To find the amount of hours 8640 minutes is, divide 8640 by 60. 8640/60 = 144. 8640 minutes is 144 hours, and 144 divided by 24 is 6 days. There are 6 days in 8640 minutes.
Answer:
2/3
Step-by-step explanation:
Answer:
Option D
Step-by-step explanation:
Whenever we take a square root of a number the ± sign is with it like here in the question
And then x = ±4.47 which means x has two values one is +4.47 and the other is -4.47 so Option D is our answer.
