A marathon is 26.2 miles long. There is a water station every 1 31/100 miles along the race route. Which expression represents the total number of water stations? A. 26.2−1 31/100 B. 26.2+1 31/100 C. 26.2÷1 31/100 D. 26.2(1 31/100)

C.  

Step-by-step explanation:

Given:  A marathon is 26.2 miles long.

There is a water station every miles along the race route.

Total number of water stations = (marathon distance) ÷ (distance between any two water stations)

The expression represents the total number of water stations

Hence, the correct option is C.

50 min

step-by-step explanation:

they will be decreasing both their times in half

60 / 2 = 30

40/2 = 20

30 + 20 = 50

the forst and 3rd

step-by-step explanation: