Answer:
2 is the answer
Step-by-step explanation:
3/5+7/5
3+7/5( if the denomeneter are same we can write one number )
10/5
2 is the answer ( divide both numbers by 5)
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Answer:
25 potatoes split between 5 people would be 25÷5=5. So each person will get 5 potatoes.
We are given x so we can plug it in to the first equation to find y
11 - y = 6
We don’t want y to be negative so we subtract y from both sides
11 = 6 + y
Now we can subtract 6 from both sides
5 = y
B to the second means b * b.
The short hand for b*b is b^2 on this editor or

c to the fourth means c * c * c *c
the short hand for c*c*c*c is c^4 on this editor or

The answer you want is b^2/c^4 in the answer box.
If this is wrong and you have choices, please list them and I will edit or put the answer in a comment.
280 miles - is that the round trip or one way?
280 one way
boat velocity = 30 mph
current velocity = 10 mph
280 (140 one way)
boat velocity = 15 mph
current velocity = 5 mph
Calculator for traveling with against current:
http://www.1728.org/veloccal.htm