SOLUTION: a car travels at 21x y^2 Kilometers per hour. How far will the car travel in: a. (2x+y) hours b. (2x+1) hour c. (y+2) hours d. st

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: a car travels at 21x y^2 Kilometers per hour. How far will the car travel in: a. (2x+y) hours b. (2x+1) hour c. (y+2) hours d. st      Log On

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Question 714481: a car travels at 21x y^2 Kilometers per hour.
How far will the car travel in:
a. (2x+y) hours
b. (2x+1) hour
c. (y+2) hours
d. st

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a car travels at 21x y^2 Kilometers per hour.
How far will the car travel in:
a. (2x+y) hours
b. (2x+1) hour
c. (y+2) hours
d. st
----------------
The speed expression is not clear.
----
d = r*t, r = the rate, or speed
a. d = r*(2x+y)
etc