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A stack of 200 file folders is 5.125 inches tall. A. Elena guesses that each file folder is 0.035 inches thick. Explain how you know that Elena's answer is not correct.

Sagot :

Answer: Elena is wrong as each file folder is 0.0256 inches.

Step-by-step explanation:

To find out if Elena is correct or not, you need to work out the height of each stack of file such that there will all add up to 5.125 inches.

Assuming all 200 files have the same height, the height of each file folder is:

= Total height of stack / Number of file folders

= 5.125 / 200

= 0.0256 inches

Elena is therefore wrong because the answer Elena gave is too large.