Solve the problem.A gambler has a specific betting system where the first bet made is $20, the second bet made is $40, the third bet is $80, and so on. Find how much the gambler bets on the seventh bet. Find the total amount of money the gambler has bet over the first seven bets.
A. $240; 1140
B. $280; 860
C. $240; 860
D. $280; 1140
Answer: C
Mathematics
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