Guide :Middle School

The scout troop hikes 7 km in 2 hr. At this pace, how far will the troop hike in 4 hr?

The scout troop hikes 7 km in 2 hr. At this pace, how far will the troop hike in 4 hr? 9 km 14 km 16 km 20 km
If the troops hike 7km/2hr (read 7 kilometers per 2 hours), then to find how far they'd hike 4hr, just find multiply the top and bottom by 2. We do this because we found that to get from 2 to 4, we multiply by 2. And since this is a rate, we multiply the top by this value as well, so 7x2=14km ...

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