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Pearson Algebra 1 Common Core, 2011 View details

5. Writing a Function Rule

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Exercise 46 Page 267

Use the conversion factor that 1 minute is equal to 60 seconds.

1.5min

Practice makes perfect

To convert seconds (s) to minutes (min) we need to create a conversion factor. We know that there are 60 seconds in 1 minute, which means we have the following conversion factor. 1 min/60 s Multiplying 90 seconds by this conversion factor will convert it to minutes.

90 s* 1 min/60 s

MoveLeftFacToNum

a*b/c= a* b/c

90 s* 1 min/60 s

CrossCommonFac

Cross out common factors

90 s* 1 min/60 s

SimpQuot

Simplify quotient

90 * 1 min/60

IdPropMult

Identity Property of Multiplication