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Mathematics 17 Online
OpenStudy (anonymous):

solve: It's here-the new talking robot! it can keep anything busy even animals. when the robots are made at the factory they move along a conveyor belt and every 8th robot gets a blue control panel every 3rd robot gets green eyes and every 4th robot gets a square head. If 150 robots come off the conveyor belt how many will have all three?

OpenStudy (anonymous):

what is the least common multiple of 4, 3 and 8?

OpenStudy (anonymous):

24

OpenStudy (anonymous):

so every 24th robot gets all three

OpenStudy (anonymous):

how many times does 24 go in to 150?

OpenStudy (anonymous):

6 times

OpenStudy (anonymous):

yes. you are done

OpenStudy (anonymous):

new talking robot? they really reach for these word problems, don't they maybe circa 1962

OpenStudy (anonymous):

so only 6 robots get all 3. is that reasonable?

OpenStudy (anonymous):

i hope it is reasonable, because i am pretty sure it is right

OpenStudy (anonymous):

so when i did the lcm that was a chart and then i multiplied?

OpenStudy (anonymous):

yeah

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