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Answer fast plzz brain list answer needed |
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Answer» Answer: distanceS 1
=10km,speed v 1
=6km/hr time taken T 1
= v 1
S
= 6 10
=1.67hr distanceS
=20km,speed v 2
=15km/hr time taken T 2
= v 2
S
= 15 20
=1.33hr total time taken T=T 1
+T 2
=1.67+1.33=3hr average speed= total time taken total distance travelled
= 3 30
=10km/hr |
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