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

Question

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

quangkhai · Answer

Answer: C      Step-by-step explanation:    6 feet

thachthao · Answer

Answer:   C)  6 feet   Step-by-step explanation:   set up a proportion of height/shadow = height/shadow  30/10 = h/2  cross-multiply:  10h = 60  h = 6

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