contestada

A photo with a length of 3 inches and a width of 5 inches is enlarged to a poster size. The poster and the photo are similar. The length of the poster is 21 inches. What is the width of the poster?

Respuesta :

Answer:

35 inches.

Step-by-step explanation:

As the 2 are similar their corresponding sides are in the same ratio, so:

3 / 21 = 5 / W

3W = 105

W = 35 inches.

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