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Solve It! You normally walk the sidewalk from home to school in 25 minutes. If you walk the shortcut at your normal constant rate, how much time would you save?

About 3 minutes

About 2 minutes

About 5 minutes

About 6 minutes

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2

10

Problem 1 Got It?

A

B

C

D

3

3

10

Problem 1 Got It?

A

B

C

D

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10

Problem 2 Got It? You ride your bike to a store, 4 mi away, to pick up things for dinner. When there is no wind, you ride at 10 mi/h. Today your trip to the store and back took 1 hour. What was the speed of the wind today?

≈ 5.32 mi/h

≈ 2.24 mi/h

≈ 4.47 mi/h

5

5

10

Problem 3 Got It?

A

B

C

D

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