Alejandro and Francisco
Geometric Series:
A special machine gun shoots 10 bullets per second, but each second its rate doubles. So if in the 1st second it shoots 10 bullets then in the 2nd one it’s going to shoot 20, n the 3rd 40 and so on. Find how many bullets can be shot in 60 seconds.
Arithmetic Series:
In 1990, 2,509 surfboards were made in Brazil. Statistics show that each year the production increases by 659 surfboards. According to statistics how many surfboards have been done from 1990 to the end of last year?
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