Book edition Common Core Edition

Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

Pages 183 pages

ISBN 9780547587776

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Short Answer

Multiple Choice Write a variable expression for a length of time in minutes if you know the number s of seconds
$\begin{array}{l} a . s + 60 \\ b . \frac{s}{60} \\ c . 60 s \\ d . \frac{60}{s} \end{array}$

The variable expression for the length of time is $b . \frac{s}{60}$ .

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step-1 – Relation between seconds and minutes

There are 60 seconds in one minute.

So, the number of minutes in 1 second will be $\frac{1}{60}$ .

Step-2 – Given information

It is given that the length of time is s seconds. And need to find the equivalent length of time in minutes.

Step-3 – Write the variable expression for length of time

Since the number of minutes in 1 second is $\frac{1}{60}$ , so in order to find the number of minutes in s seconds, multiply s with $\frac{1}{60}$ .

So, the variable expression for a length of time s seconds in minutes is given by

$s \cdot \frac{1}{60} = \frac{s}{60}$

Thus, the variable expression for the length of time in minutes is $\frac{s}{60}$ .

Hence, option (b.) is correct.

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Pre-algebra

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Short Answer

Multiple Choice Write a variable expression for a length of time in minutes if you know the number s of seconds
$\begin{array}{l} a . s + 60 \\ b . \frac{s}{60} \\ c . 60 s \\ d . \frac{60}{s} \end{array}$

Step by Step Solution

Step-1 – Relation between seconds and minutes

Step-2 – Given information

Step-3 – Write the variable expression for length of time

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Multiple Choice Write a variable expression for a length of time in minutes if you know the number s of seconds a.s+60b.s60c.60sd.60s

Step by Step Solution

Step-1 – Relation between seconds and minutes

Step-2 – Given information

Step-3 – Write the variable expression for length of time

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Multiple Choice Write a variable expression for a length of time in minutes if you know the number s of seconds
$\begin{array}{l} a . s + 60 \\ b . \frac{s}{60} \\ c . 60 s \\ d . \frac{60}{s} \end{array}$