Answer:
You have walked
miles
Step-by-step explanation:
In order to add these two fractions, we must find a common denominator. In this case, I used 24

Seven halves would equal to 3.5 wholes. What you do is divide 7 by 2 to find out how many wholes their are.
Answer:
a(6)=2430
Step-by-step explanation:
a(1)=10
a(n)=3×a(n-1)
This is a geometric sequence, with ratio=3
a(2)=3×a(1)=3×10
a(3)=3×a(2)=3²×10
a(6)=3⁵×20=(27×9)×10=243×10=2430
Answer: 90 miles
Step-by-step explanation:
720/8 = 90