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Q66.

Expert-verifiedFound in: Page 7

Book edition
Common Core Edition

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

Pages
183 pages

ISBN
9780547587776

**Multiple Choice Write a variable expression for a length of time in minutes if you know the number s of seconds**

** **** $\begin{array}{l}a.s+60\\ b.\frac{s}{60}\\ c.60s\\ d.\frac{60}{s}\end{array}$**

The variable expression for the length of time is $b.\u200a\u200a\frac{s}{60}$.

There are 60 seconds in one minute.

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

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

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

$s\xb7\frac{1}{60}=\frac{s}{60}$

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

Hence, option (b.) is correct.

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