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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
4. Writing and Solving Proportions
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Exercise 4 Page 204

Use the Multiplication Property of Equality to eliminate the division.

w = 4

Practice makes perfect
To solve the equation, we have to isolate w on one side. Using the Multiplication Property of Equality, we will multiply both sides of the equation by 6. This will eliminate the denominator of the fraction and isolate w.
w/6 = 6/9
MultEqn

LHS * 6=RHS* 6

6* w/6 = 6* 6/9
DenomMultFracToNumber

6 * a/6= a

w =6* 6/9
MoveLeftFacToNum

a*b/c= a* b/c

w = 36/9
CalcQuot

Calculate quotient

w = 4
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arrow_right Try It p.204-206
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Try It 2 (Page 204)
Try It 3 (Page 204)
Try It 4 (Page 204)
Try It 5 (Page 204)
Try It 6 (Page 204)
Try It 7 (Page 205)
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arrow_right Self-Assessment for Concept & Skills p.206
Self-Assessment for Concept & Skills 14 (Page 206)
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arrow_right Self-Assessment for Problem Solving p.207
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arrow_right Review & Refresh p.208
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arrow_right Concept, Skills, & Problem Solving p.208-210
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