Answer: He bought 7 pens.
Step-by-step explanation:
21/3 = 7
<span>-10
-(100) ^1/2
</span><span>100 ^1/2 </span>
Hey man I’ve never seen nothing like this but I’d you’re doing math on ap classroom , man , GOOD LUCK
Answer:
5 2/5 is the answer because 5 can go into 27 5 times
9514 1404 393
Answer:
659
Step-by-step explanation:
We assume the daily rate increases at each multiple of $50. When the balance reaches $50 on day 25, the pay on day 26 is $2.25.
Similarly, when the balance reaches 9628.75 on day 658, the pay will be $50 on day 659.
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I found this easiest to solve using a computer program. A spreadsheet can do it by computing the number of days between raises. This is shown in the attachment.