Solving Equations: The Multiplication Principle

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Chapter 3.8

• Solving Equations The Multiplication Principle

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• For any numbers a, b, and c with c not equal to
  0,

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To solve an equation using the multiplication
principle multiply both sides of the equation by
themultiplicative inverse of the coefficient of
the variable.
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• At Sunshine Herbs, Sue needs to fill as many tea
  bags as possible with 3/5 g of chamomile. If she
  begins with 51 g of chamomile, how many tea bags
  can she fill?

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• Melissa Esplanah sells pharmaceutical supplies.
  After she had driven 210 mi, 5/6 of her trip was
  completed.
• How long was the total trip?

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• 3.8 Page 218 Numbers 1 - 44