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(10. A man goes 3 1/2 Km. an hour towards East and another man starts from the same place towards West and goes 8.5 Km. an hour. How far apart will they be in 7 1/2 hours?
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Answer:
90 km
Step-by-step explanation:
distance coverd by first man
= 3 1/2 × 7 1/2
= 7/2 × 15/2
= 105/4
distance covered by second man
= 8.5 × 7 1/2
= 85/10 × 15/2
= 17/2 × 15/2
= 255/4
Total Distance
105/4 + 255/4
= 360/4
= 90
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