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$rarrC ก khanacademy.org/math/cc-seventh-grade-math/cc-7th-fractions-decimals/cc-7th-rates/e/rate_problems_1?classCode=DVFGV. uncommonschools.org bookmarks (i) We've updated our Cookie Notice. Please review it now. Courses Search Khan Academy Donate c^(3) peyton.j.fleming My assignments 7th grade Robert climbed 775 steps in 12(1)/(2) minutes. How many steps did he average per minute? COURSE: TTH GRADE > UNIT 2 Lesson 1: Rate problems with steps per minute fractions Due Mar 23, 11:59 PM Rates with fractions Not started Stuck? Review related articles/videos or use a hint. Report a problem$

$\rightarrow \mathrm{C}$ ก $\newline$ khanacademy.org/math/cc-seventh-grade-math/cc $-7$ th-fractions-decimals/cc $-7$ th-rates/e/rate_problems_1?classCode=DVFGV. $\newline$ uncommonschools.org bookmarks $\newline$ (i) We've updated our Cookie Notice. Please review it now. $\newline$ Courses $\newline$ Search $\newline$ Khan Academy $\newline$ Donate $c^{3}$ $\newline$ peyton.j.fleming $\newline$ My assignments $\newline$ $7$ th grade $\newline$ Robert climbed $775$ steps in $12 \frac{1}{2}$ minutes. $\newline$ How many steps did he average per minute? $\newline$ COURSE: TTH GRADE > UNIT $2$ $\newline$ Lesson $1$ : Rate problems with steps per minute fractions $\newline$ Due Mar $23$ , $11$ : $59$ PM $\newline$ Rates with fractions $\newline$ Not started $\newline$ Stuck? Review related articles/videos or use a hint. $\newline$ Report a problem

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Math Problems

Grade 8

Solve equations with variables on both sides: word problems

Full solution

\rightarrow \mathrm{C}

ก

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khanacademy.org/math/cc-seventh-grade-math/cc

-7

th-fractions-decimals/cc

-7

th-rates/e/rate_problems_1?classCode=DVFGV.

\newline

uncommonschools.org bookmarks

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(i) We've updated our Cookie Notice. Please review it now.

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Courses

\newline

\newline

Khan Academy

\newline

Donate

c^{3}

\newline

peyton.j.fleming

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My assignments

\newline

7

th grade

\newline

Robert climbed

775

steps in

12 \frac{1}{2}

minutes.

\newline

How many steps did he average per minute?

\newline

COURSE: TTH GRADE > UNIT

2

\newline

Lesson

1

: Rate problems with steps per minute fractions

\newline

Due Mar

23

11

59

\newline

Rates with fractions

\newline

Not started

\newline

Stuck? Review related articles/videos or use a hint.

\newline

Report a problem

Identify Total Steps and Time: Identify the total number of steps and the total time taken. Robert climbed $775$ steps in $12\frac{1}{2}$ minutes.
Convert Mixed Number: Convert the mixed number to an improper fraction to make the calculation easier. $12\left(\frac{1}{2}\right)$ minutes is the same as $\left(12 \times 2 + 1\right)/2 = \frac{25}{2}$ minutes.
Calculate Rate: Calculate the rate by dividing the total number of steps by the total time in minutes. $\newline$ $\text{Rate} = \frac{\text{Total Steps}}{\text{Total Time}}$ $\newline$ $\text{Rate} = \frac{775 \text{ steps}}{(\frac{25}{2}) \text{ minutes}}$
Perform Division: Perform the division to find the steps per minute. $\newline$ Rate = $775$ steps / $(25/2)$ minutes = $775$ steps $\times$ $(2/25)$ minutes $^{-1}$ = $31 \times 2$ steps per minute $\newline$ Rate = $62$ steps per minute