lily drove from town X to town Y at an average speed of 78km/hr.After 1whole 1/5 hour ,she completed 3/7of her journey.What is the distance between town X and town Y.
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Answered by
27
Answer:
218 and 2/5 km
NOTE:
Distance= Speed × Time
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distance between town X and town Y. = 218.4 km if 3/7 Distance covered in 11/5 hrs with 78 km/hr average speed
Step-by-step explanation:
lily drove from town X to town Y at an average speed of 78km/hr.
Distance = Speed × Time
Distance covered in 1 1/5 hr
= 78 × 6/5
= 93.6 km
Let say the distance between town X and town Y. = D km
3/7. of Distance = 3D/7 km
3D/7 = 93.6
D/7 = 31.2
D = 31.2 × 7
D =218.4 km
distance between town X and town Y. = 218.4 km
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