# Mountain Biking

Algebra Level 2

Sunny goes mountain biking every Saturday. The trail is $$96$$ km long, and is uphill all the way to the top.
His uphill speed is $$16$$ km per hour slower than his normal speed.
His downhill speed is $$8$$ km faster than his normal speed.
If a round trip on the trail takes $$6$$ hours, what is his normal speed (in km/h)?

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