You know that two expressions are equivalent when if you substitute in your values and simply the expressions, they have the same answer.
Answer:
Solution:
the boat's speed in still water: x
The speed with current: (x+3)
The speed against current: (x-3)
The equation is
3(x+3) = 4(x-3)
x = 21 mph
The distance = 3*(21+3)= 72 miles
I choose (A)
Step-by-step explanation:
Answer:
2.090909...
Step-by-step explanation:
Write as improper fraction and then divide
23/11=2.090909...
54•2=108
36•1=36
108+36=144
14•6=84
144-88=$56
Answer is $56.00
Perimeter of the whole shabang should be (7*2)+(5*2)
