Answer:
5% each year. do 150 divided by 3 and you get 50. 50 dollars each year is equal to 5% every year.
3S+5A≥1000
3(200)+5A≥1000
600+5A≥1000
-600 -600
5A≥400
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5
A≥80
so 80 adults
To determine this easily, figure out what two numbers will make a product ending with "2", (4 & 3, 8 & 9)
Since the square root of 625 is 25, it is obviously less than 25.
I used 18 and 19, and they are the correct answer.
I believe the answer is 0.023in