Dekyraaa
23.04.2021 •
Mathematics
in his motorboat, bill ruhberg travels upstream at top speed to his favorite fishing spot, a distance of 120 mi, in 3 hr. returning, he finds that the trip downstream, still at top speed, takes only 2.5 hr. find the rate of bills boat and the speed of the current. let x= the rate of the boat in still water and y= the rate of the current.
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