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Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
Chapter Review
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Exercise 39 Page 155

1 minute is equal to 60 seconds.

2.25 minutes

Practice makes perfect
Converting between seconds (s) and minutes (min) will involve using a conversion factor. 1min/60s Multiplying 135seconds by this conversion factor will convert it to minutes.
135s*1min/60s
MoveLeftFacToNum

a*b/c= a* b/c

135 s* 1 min/60 s
CrossCommonFac

Cross out common factors

135 s* 1 min/60 s
SimpQuot

Simplify quotient

135 * 1 min/60
MultByOne

a * 1=a

135min/60
CalcQuot

Calculate quotient

2.25min
135 seconds is equal to 2.25 minutes.
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Exercises 7 (Page 153)
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