gracekerleyy
gracekerleyy
02.10.2021 • 
Mathematics

A factory has to bottle filling machines which run at the same time machine be filled bottles at a rate of X which is 1.5 times the rate of machine a the factory is considering buying a new machine that would represent the other two machines you can feel at a rate of 3X if the factory buys a new machine to replace the other two which of the following expression shows the increase of rate

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