Linear equations in two variables

Easy Math · Algebra · Linear equations in two variables · MCQ

Jay walks at a speed of $3$ miles per hour and runs at a speed of $5$ miles per hour. He walks for $w$ hours and runs for $r$ hours for a combined total of $14$ miles. Which equation represents this situation?

A
$3 w + 5 r = 14$
B
$\frac{1}{3} w + \frac{1}{5} r = 14$
C
$\frac{1}{3} w + \frac{1}{5} r = 112$
D
$3 w + 5 r = 112$

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id cb_question_bank:dee8a652-9a37-4137-ac15-c33e7d99ff08 · question 174885f8 · JSON