machine a produces 100 parts twice as fast as machine b does. machine b produces 100 parts in 80 minutes. if each machine produces parts at a constant rate, how many parts does machine a produce in 20 minutes?	Select
A) 60 B) 80 C) 70 D) 40 E) 50
<gadget id="calculator">100 / 80</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) * 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) * 20</gadget>
<output>50</output>

<result>E</result>
machine a produces 100 parts twice as fast as machine b does. machine b produces 100 parts in 80 minutes. if each machine produces parts at a constant rate, how many parts does machine a produce in 20 minutes?
multiply(multiply(divide(100, 80), const_2), 20)
machine b produces 100 part in 80 minutes . machine a produces 100 parts twice as fast as b , so machine a produces 100 parts in 80 / 2 = 40 minutes . now , machine a produces 100 parts in 40 minutes which is 100 / 40 = 10 / 4 parts / minute . 10 / 4 parts x a total of 20 minutes = 10 / 4 * 20 = 50 e