The height of an object varies directly with the length of its shadow, A person who is 6 feet tall casts a 15-foot shadow, how l
ong is the shadow of a 20-foot tree
A- 8 Feet
B- 50 feet
C- 10 feet
D- 3feet, 6 inches
2 answers:
Answer:
The correct option is B.
Step-by-step explanation:
It is given that a person who is 6 feet tall casts a 15-foot shadow.
Let the shadow of a 20-foot tree be x.
The height of an object varies directly with the length of its shadow, so
Divide both sides by 6.
The value of x is 50, therefore the shadow of a 20-foot tree is 50 feet long. Option B is correct.
The multiplier to get from 6 * ... to 15 is 15/6.
If 6 * 15/6 = 15, then 20 * 15/6 = 50, answer B.
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