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This equation shows how the cost of a cab ride depends on the distance in miles. $\newline$ $c = d + 5$ $\newline$ The variable $d$ represents the number of miles driven, and the variable $c$ represents the cost in dollars. If a cab ride is $5$ miles long, how much will it cost? $\newline$ $\$$ _____

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Find a value using two-variable equations: word problems

Full solution

Q. This equation shows how the cost of a cab ride depends on the distance in miles.

\newline

c = d + 5

\newline

The variable

d

represents the number of miles driven, and the variable

c

represents the cost in dollars. If a cab ride is

5

miles long, how much will it cost?

\newline

\$

_____

Identify variable: Identify the variable that the $5$ miles corresponds to. $d$ represents the number of miles driven, so $d = 5$ for this problem.
Substitute value: Substitute the value of $d$ into the equation $c = d + 5$ . $c = 5 + 5$
Calculate total cost: Calculate the total cost. $\newline$ $c = 10$

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\newline

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