Mathematics, 10.10.2019 22:50 deflox74
Sa punishment for something naughty that we did, my little brother and i have to whitewash both sides of a fence. we start at the same time, and we each work at a constant rate.
if we each whitewash one side, i'll finish in 2 hours and my brother will finish in 3 hours. but i'm a nice kid, so after i finish my side, i go around to the other side and my brother finish his side. from the time i start him, how many minutes does it take us to finish the job?
hint(s):
how many sides per hour can i paint? how about my brother? how about both of us together?
Answers: 1
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Sa punishment for something naughty that we did, my little brother and i have to whitewash both side...
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