The length of a rectangular portrait is 2.5 time the width. the perimeter is 28 what is the length of the portrait

length 10

Step-by-step explanation:

If we hace a width of x then the length is 2.5x. The perimeter of the rectangular portrait is the sum of all sides then: x+x+2.5x+2.5x as we know the perimeter is 28 then:

As x is the width to know the length we have to multiply 4 by 2.5 then the length is 10.

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step-by-step explanation:

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