Rate x time = distance
b = rate boat travels in still water
c = rate of the current
(b-c)4 = 216
(b+c)4 = 304
4b - 4c = 216
4b + 4c = 304
___________
8b = 520
b = 65 Km/hr
4c = 304 - 4b = 304 - 260 = 44
c = 11 Km/hr
Answer:
The first one is 12.5 weeks.
Step-by-step explanation:
Answer: 9/196
process:
3/14^2
3/14 • 3/14
9/196
Answer:
B. y = 1.3 + 2
Step-by-step explanation:
The slope is positive, and the y intercept is at positive 2.
