A factory has two bottle filling machines, which run at the same time. Machine B fills 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 replace the other two machines. It can fill at a rate of 3x.
If the factory buys the new machine to replace the other two, which of the following expressions show the increase in rate?
A
0.50x
B
1.00x
С
11x
D
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