3) Barbara can walk 3,200 meters in 24 minutes. How far can she walk in 3 minutes? (journal pg. 49)
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320 meters
400 meters
640 meters
720 meters

400 meters

Step-by-step explanation:

We know that Barbara can walk 3,200 meters in 24 minutes . And are being asked to see how far she can walk in 3 minutes.

Create the unit rate. Since Barbara can walk 3,200 in 24 minutes and we're trying to figure out how many meters she walks in 3 mintues, make the meters "M"

Let's do something that can make 24 mintues go to 3 minutes, this would be dividing 24 by 8, do the same with the numerator :

Therefore Barbara can walk 400 meters in 3 minutes,

1 and 2

step-by-step explanation: