Question

How can you represent a proportional relationship using an equation?

Answer 1

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A PRIPOTIONAL REPRESENTATION is where one ratio is the same as another ratio. For example, the ratio 1:2 is the same as 2:4. If you go ahead and divide both of these ratios, you'll get the same relationship 1:2. Another way of looking at it is you have to multiply the first number by 2 each time to get to the second number.

REPRESENT PROPORTIONAL RELATIONSHIPS BY EQUATIONS:
For example, if total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn.


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Answer 2

Your answer is.............

 Represent proportional relationships by equations. For example, if total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn.

Hope this helps