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## Homework Statement

1. If you must average 60 km/h for a 90-km trip, and only average 40 km/h for the first 40 km, wha velocity must you average the rest of the way?

2. Juanita left on a walk 45 min ago. She is travelling a 4.5km/h. How fast must you travel to catch up to her in 1.0 h?

## Homework Equations

v: d/t

## The Attempt at a Solution

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