Answer:
S = v1 t1 = 7 t1 traveling downstream
S = v2 t2 = 5 t2 traveling upstream
7 t1 = 5 t2
7 (6 - t2) = 5 t2 since t1 + t2 = 6
42 - 7 t2 = 5 t2
t2 = 42 / 12 = 3.5 hrs so t1 = 2.5 hrs
S = 7 t1 = 7 * 2.5 = 17.5 mi
Also, S = 5 t2 = 5 * 3.5 = 17.5 mi
Answer:
7/80 is the answer because there are 7 possible chances she can get a red or blue gumball.
Step-by-step explanation:
you have negative -12
turn this into a positive (12)
12 plus 18
= 30
4.741
4.742
Really, you could stick any digit from 1-9 at the end of 4.74 to create your answer.
