Question

Lena has an envelope that is 3 inches tall. The envelope is 3 9/10 times as long as it is tall. How long is her envelope?

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Answer 1

11.7 or if rounded up then 12 inches

Answer 2

11.7 Inches

Explanation:

9/10 is 0.9, so 3+0.9= 3.9

3.9 x 3 is 11.7 inches, or you can round it to 12 inches or a foot.