# MATH

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JENNA LIVES 4 3/10 MILES FROM SCHOOL. SHE ESTIMATES THAT SHE TRAVELS 4 X 2 X 5, OR 40 MILES EACH WEEK. IS HER ESTIMATE AN OVERESTIMATE OR AN UNDERESTIMATE? EXPLAIN.

• MATH -

Under estimate. Add (3/10)*2*5 to get exact distance

4 3/10 = (4 + 3/10)

(4 + 3/10) * 2 * 5

= 4 * 10 + 3 by distributive property

= 43

• MATH -

Help!!!

• MATH -

Is 40 a over estimate or under estimate of 4 3/10

• MATH -

underestimate

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