SOLUTION: Find an algebraic expression for the underlined quantity: The distance, given that the rate is x miles per hour and the time is 2 hours.

Question 150323: Find an algebraic expression for the underlined quantity: The distance, given that the rate is x miles per hour and the time is 2 hours.
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Find an algebraic expression for the underlined quantity: The distance, given that the rate is x miles per hour and the time is 2 hours.
.
You are expected to already know that:
d = rt
where
d is the distance
r is the rate or speed
t is the time
.
In your problem, they are asking you to derive an equation for "distance" given that the "rate" is x mph and the time is 2 hours. We simply plug it all into:
d = rt
distance = x(2)
or
distance = 2x (miles)

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