Answer:
Is this correct?
Step-by-step explanation:
idk
Answer:
It's divisible by 9
Step-by-step explanation:
108=3(b-s)
36=b-s
s=b-36
...
108=2(b+s), and using s found above gives us:
54=b+b-36
54=2b-36
2b=90
b=45, and since s=b-36, s=9
So the boat's speed is 45mph and the stream's speed is 9mph
175 divide by 25 should be 7
then using 80 divide by 40 is 2
7+2=9
then 2 times 40, and 7 times 25, the result is 285
285 divide by 9 get 31.6666......... or 31.7