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It takes 28 minutes to play 8 songs on the radio. every song is played for the same length of time. how long does it take to play 1 song
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The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
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Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
Answers: 1
It takes 28 minutes to play 8 songs on the radio. every song is played for the same length of time....
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