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Chapter 2: Q4. (page 114)

EXERCISE, It takes 7 minutes for Isabella to walk around the gym track twice. At this rate, how many times can Isabella walk around the track in a half hour?

Short Answer

Expert verified

The number of rounds in 30 seconds is n=847rounds.

Step by step solution

01

Step-1. Write down the given statement.

It is given that two rounds of track take 7 minutes.

02

Step-2. Evaluate the number of rounds (n) by time-speed-distance formula.

Speed=DistanceTime

Speed remains the same. Therefore, the proportion can be written as:

role="math" localid="1642704122464" 27  =n30n7=2307n=607n7=607n=847rounds

03

Step-3. Conclusion from evaluated number of rounds.

The number of rounds in 30 seconds is n=847rounds.

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Most popular questions from this chapter

Translate each sentence into an equation.

Thirty-two divided by y is equal to the product of three and y minus four.

Find the value of n. Then name the property used in each step. (Lesson 1-3)

25n=25

Find the value of n. Then name the property used in each step. (Lesson 1-3)

n⋅1=2

Which equation represents the second step of the solution process?

Step 1: 42x+7−6=3x

Step 2: _________________

Step 3: 5x+28−6=0

Step 4: 5x=−22

Step 5: x=−4.4

  1. 42x−6+7=3x
  2. 42x+1=3x
  3. 8x+7−6=3x
  4. 8x+28−6=3x

Translate the following equation into a sentence:

7p+23=102
See all solutions

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