If a bat and a ball cost $1.10. The bat costs $1 more than the ball. How much does the ball cost?
$0.05
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15
A 300 ft. train is traveling 300 ft. per minute must travel through a 300 ft. long tunnel. How long will it take the train to travel through the tunnel?
Two minutes. It takes the front of the train one minute and the rest of the train will take two minutes to clear the tunnel
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15
What is the next number in the series? 7,645.... 5,764.... 4,576....?