Suppose you have a 5x5 checkerboard with 25 squares. You put one penny on the first square, then 2 pennies on the next square then 2 pennies on the third square and so on until there are pennies on all the squares. How many pennies are on the 25th square?

I think the answer is 2.

Step-by-step explanation:

I couldn't determine the pattern since you placed 2 pennies on the other squares other than the first one.

how long did the flood last

step-by-step explanation:

then i will answer

the answer is a beach is the best place to be