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An angel investor puts $200,000 into a startup for 20% equity. After a year, the company issues new shares raising $300,000 without changing ownership proportion. What is the post-money valuation?
Question: An epidemiologist tracks a disease where each infected person transmits it to 3 others. Starting with 5 infected individuals, how many total people are infected after 2 rounds?
A scientist observes a bacterial culture that doubles in size every hour. If the culture started with 1,000 bacteria, how many bacteria will there be after 8 hours?
The number of bacteria after each hour is calculated by doubling the previous count.
The total number of bacteria after 8 hours is 256,000.
An elementary school student learns that the human heart beats approximately 70 times per minute. How many times does the heart beat in a day?
First, calculate the number of beats per hour:
Next, calculate the number of beats per day:
The heart beats 100,800 times in a day.
The population will be approximately 538,640 after 5 years.