X=0 hope this helps let me know
Answer:
blocks
Step-by-step explanation:
If it takes 15 minutes to walk 7 1/2 blocks, it should be 15:17
The left side is minutes and the right side is the number of blocks
15:17
1: ? Since we are figuring out how many blocks he can walk in a minute, the left side is 1 and the right side is a question mark because we have not figured it out yet.
15: 17
Divide by 15 on both sides because that is the "distance" from 15 to1
1 : ?
1:
So the answer is 
Answer:
C
Step-by-step explanation:
denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it.
Put them in order, ( 70, 71, 72, 72 ,77)
There is an odd number of numbers so the median is the middle.
(70,71,72,72,77)
72 is in the median to the number list.