Please help me understand how I would pick the correct formula for step 1 for the question in the image? I am really confused.

Please help me understand how I would pick the correct formula for step 1 for the question in the image I am really confused class=

Respuesta :

Answer:

The first option

Step-by-step explanation:

We are doing height above shadow height. Since the telephone poll is 40 feet high with a 32 feet shadow, it is 40/32. We know the sign casts a 12 1/2 shadow, so this will be our denominator. h is our unknown, so we will have h / 12 and a half as our second fraction for our ratio.

Have a nice day!

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- Heather