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Answer:

My answer is 10 pieces = $1.25

Step-by-step explanation:

If 2 pieces cost $.25 then you need to multiply $.25/2, because $.25 is for two pieces. So, when you divide that you get $0.125 so then take the $0.125 and multiply by 10 to get $1.25.

ALTERNATE SOLUTION:

If 2 pieces cost $.25 then you need to multiply $.25 x 5, because $.25 is for 2 pieces. So, when you multiply that you get $1.25.

The cost of 10 pieces of sugarless gum if 2 pieces cost $.25 is $1.25

Cost of items

Given:

  • Cost of 2 pieces = $.25
  • cost of 10 pieces = $x

Ratio of pieces to cost

2 : .25 = 10 : x

2 / .25 = 10 / x

  • cross product

2 × x = .25 × 10

2x = 2.5

  • divide both sides by 2

x = 2.5/2

x = $1.25

Therefore, the cost of 10 pieces of sugarless gum is $1.25

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