Andrea notices that the 40-foot tree next to her is casting a 10-foot shadow. How tall, in inches, is Andrea if she is casting a 15-inch shadow at the same time?

Question

Coby Thornton

Mathematics

30 April, 02:15

Andrea notices that the 40-foot tree next to her is casting a 10-foot shadow. How tall, in inches, is Andrea if she is casting a 15-inch shadow at the same time?

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Answers (1)

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Cara · Answer 1

If Andrea sees that a 40-foot tree casts a 10-foot shadow then, the problem used for that was 40 divided by 10, which was 4. Now we do a reverse problem since we know the shadow casted was 15inches, we multiply 4. 15 multiplied by 4 is 90.

The answer is 90 inches.