Iris has a family photograph with a width of 8 in and height of 10 in. she wants to enlarg the photograph so that it's width is 12 in. what will the height of the enlarged photograph be?

The enlarge height is 15 in .

Step-by-step explanation:

Let us assume that the width be w .

Let us assume that the height be h .

(As width and height of the photograph are proportional.)

w = kh

Where k is the constant of proportionality .

As given

Iris has a family photograph with a width of 8 in and height of 10 in.

Here w = 8 in , h = 10 in

Put in the equation w = kh .

8 = 10k

She wants to enlarge the photograph so that it's width is 12 in.

Let us assume that the enlarge height be x .

Here w = 12 in , h = x

Put in the equation w = kh .

12 = kx

Compare the value of k .

x = 15 in

Therefore the enlarge height is 15 in .

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step-by-step explanation:

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