Answer:
It will take 4.71 hours to travel a distance of 221.43 miles
Step-by-step explanation:
Given
Distance covered in time 7.99 hours is 375.32 miles.
Now we know that speed is equal to distance per unit time.
Therefore,

Which is the constant speed, hence now time taken for a distance of 221.43 miles will be

Therefore, the time taken to cover 221.43 miles is 4.71 hours.
Answer:
-8π or -25.13
Step-by-step explanation:
Answer:
7
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Step-by-step explanation:
(12-7)+2(4+6) is the one thats value is 25
4+2x = x (x = student in smaller group)
4 + 2x + x = 28 (total # of students)
4+ 3x = 28
3x = 24
x = 8
8 students in the smaller group
4 + 2(8) = 20 students in the larger group