a man's speed with the current is 15km/hr and the speed of the current is 2.5km/hr.the man's speed against the current is
1 answer:
Answer:
10 km/h
Step-by-step explanation:
Let s = man's speed and c = speed of current
s + c = 15
c = 2.5 Insert value of c
s + 2.5 = 15 Subtract 2.5 from each side
s = 12.5 km/h
=====
Speed against current
= 12.5 – 2.5
= 10 km/h
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