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At a certain time of day, a 30-foot building casts a 10 foot shadow. How tall is a person who casts a 2 foot shadow? A. 4 feet B. 5 feet C. 6 feet D. 7 feet

Respuesta :

wegnerkolmp2741o

Answer:

6 ft

Step-by-step explanation:

We can use ratios to solve

30 ft tall             x ft tall

------------------  = ------------------

10 ft shadow       2 ft shadow

Using cross products

30 * 2 = 10x

60 = 10x

Divide by 10

60/10 = 10x/10

6 =x

adamclerins2
The answer is 6 feet

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