Respuesta :
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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