running at the same constant rate, 100 identical machines can produce a total of 500 coffee bar per minute. at this rate, how many bottles could 20 such machines produce in 2 minutes?
Choose the correct answer:
A) 110
B) 220
C) 330
D) 200
E) 789
<gadget id="calculator">500 / 100</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">10 * 20</gadget>
<output>200</output>

<result>D</result>
running at the same constant rate, 100 identical machines can produce a total of 500 coffee bar per minute. at this rate, how many bottles could 20 such machines produce in 2 minutes?
multiply(multiply(divide(500, 100), 2), 20)
let ' s take the approach that uses the answer choices to eliminate wasted time . 500 / 100 = 5 coffee bar per minute per machine . 20 machines = 100 per minute . 2 minutes worth = 200 coffe bar . looking at the answers it is clear . . . we can only choose ( d ) the correct answer is d .