At a math competition two students can answer 40 questions in one hour at the same rate how many questions can five students answer in 15 minutes

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.

hi,

6x times 4 is 24x and 5 times 4 is 20, so the answer is 24x+20.

hope this and for a little humor i am groot.