Math, asked by khushilkundu93, 2 months ago

a boat whose speed is 15km/hr in still water takes 4 hours 30 min. to go 30km in downstream and to return upstream to the same spot. find the speed of the stream per hour

Answers

Answered by teachersunita81
0

Step-by-step explanation:

please mark me as brainlist and please follow

Attachments:
Similar questions