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IRINA_888 [86]
3 years ago
8

one of the requirements of becoming a court reporter is the ability to type 225 words per minute. Donald can currently type 180

words per minute, and believes that with practice he can increase his typing speed by 5 words per minute each month. Which of the following represents the number of words per minute that don't believe he'll be able to type M months from now?<br /> A) 5+180m<br /> B) 225+5m<br /> C) 180+5m<br /> D) 180-5m
Mathematics
1 answer:
Sedaia [141]3 years ago
7 0
D because it is always subtract 5 words every month
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Step-by-step explanation:

a

See attachment for calculations

b

The amount of salt in the tank after 4 hours is gotten by simply replacing t in the equation from a, with 4 hours. Since the t gotten in a above is in minutes, we'd convert hours to minute as well. If we do that, we have

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