Answer:
7 minutes
Step-by-step explanation:
average time = 6 minutes per mile
sum = average * count = 6 minutes / mile * 4 miles = 24 minutes
first + last mile = 5 + 5 = 10 minutes
first + second + third + last mile = sum = 24 minutes
second + third = sum - first - last = 24 - 5 - 5 = 24 - 10 = 14 minutes
average of 2 miles in the middle = sum / count = 14 minutes / 2 = 7 minutes
Answer:
63=1×63,3×21,or 7×9
factors of 63 are - 1,3,7,9,21,63
prime factorization:63=3×3×7=63=3²×7
Answer:
surface area =125square ft
Step-by-step explanation:
