Math, asked by anushkaseno4o8, 11 months ago

Plzz Answer This question ASAP​

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Answered by tejj12
0

Answer:

speed in still water X= 7.5 and speed of current y= 1.5

Step-by-step explanation:

downstream X+Y= 36 km / 4 hours = 9kmph

upstream X-Y=30 km/5 hours = 6kmph

x+y=9 ....eq1

x-y = 6 .....eq2

by adding 1 and 2

2x= 15

X= 15/2 = 7.5

X+y= 9

7.5+y= 9

y = 9-7.5 = 1.5

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