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Explanation:
We simply multiply the two values given to us
600*(1/12) = 600/12 = 50
We expect about 50 bulbs to be defective.
Note how if we had 50 bad bulbs, then 50/600 = (1*50)/(12*50) = 1/12 of the batch of 600 bulbs is defective.
Answer:
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Step-by-step explanation:
50+25x=70+20x
Plug -1.8 into each x so the equation would become (-1.8)^2 - 3(-1.8)
