20. In a factory the ratio of number of defective bolts produced to the number of good bulbs is 1 : 10.
In one hour the factory produced 330 bolts. Find
the number of defective bulbs produced by the
factory in an hour​

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days