The table shows how the distance traveled by a sailboat is changing over time.
Time
(in hours)
Distance Traveled
(in miles)
5 35
10 70
15 105
20 ?
25 175
What value is missing from the table?
time is on the left distance on the right.
answers are

A. 110
B. 120
C. 140
D. 130

Question

The table shows how the distance traveled by a sailboat is changing over time.
Time
(in hours)
                          Distance Traveled
                           (in miles)
5	35
10	70
15	105
20	?
25	175
What value is missing from the table?
time is on the left distance on the right. 
answers are

 		A.	110
 		B.	120
 		C.	140
 		D.	130

alexandervonhumboldt2 · Answer

5/35=1/7
10/70=1/7
15/105=1/7

alexandervonhumboldt2 · Answer

20/x=1/7

alexandervonhumboldt2 · Answer

20/x=1/7  
1/x=1/7*1/20    1/x=1/140   x=140

acxbox22 · Answer

you can see from the table that every 5 hours you are going 35 miles more
from this info, we can just add 35 to 105 because 20 hours is 5 more hours than 15 hours and the boat travels 35 miles in 5 hours

anonymous · Answer

ok I see how that works. Thanks :D

acxbox22 · Answer

np ;)