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The expression $\frac{100 \times d}{5}$ gives the number of kilometers a car can travel using $d$ liters of gasoline. How far can this car travel on $20$ liters of gasoline?

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Evaluate two-variable equations: word problems

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Q. The expression

\frac{100 \times d}{5}

gives the number of kilometers a car can travel using

d

liters of gasoline. How far can this car travel on

20

liters of gasoline?

Identify expression and value: Step $1$ : Identify the expression and the value of $d$ . $\newline$ Expression: $\frac{100\cdot d}{5}$ $\newline$ Value of $d$ : $20$ liters
Substitute value into expression: Step $2$ : Substitute the value of $d$ into the expression. $\newline$ Calculation: $\frac{100 \times 20}{5}$
Perform multiplication: Step $3$ : Perform the multiplication part of the expression. $\newline$ Calculation: $100 \times 20 = 2000$
Divide the result: Step $4$ : Now, divide the result by $5$ . $\newline$ Calculation: $2000 / 5 = 400$

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