SOLUTION: a worker is hired for 20 days. on the first day he makes 1 cent on the 2nd day he makes 2 cents and the pay doubles each day. What is the total pay?
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Question 145718: a worker is hired for 20 days. on the first day he makes 1 cent on the 2nd day he makes 2 cents and the pay doubles each day. What is the total pay? Answer by Earlsdon(6294) (Show Source):
You can put this solution on YOUR website! You can look at it this way:
Day 1 he earns 1 cent or cents.
Day 2 he earns 2 cents or cents.
Day 3 he earns 4 cents or cents.
.
.
.
Day n he earns cents.
The sum of these is expressed by: +...= where n = the number of days worked. Here, n = 20, so... cents. Divide this by 100 to convert to dollars.
He earns a total of $10,485.75 for the 20 day's work.