A boy travel for x hours at 8 km per hourand then for y hours at 7 km per hour.if he goes 37 km altogatherin 5 hrs. find x and y
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He ran 2 hours at the speed of 8 km/h and ran 3 hours at 7km/h the it is equal to (8×2)+(7×3)=37 km/hour
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