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Mathematics, 08.02.2021 20:50 madmar
During a period, a music station played 21 minutes of commercials which was 30% of the total time. What is the duration of the total time of music station under consideration?
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Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?
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During a period, a music station played 21 minutes of commercials which was 30% of the total time. W...
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