1. Josh bought a CD (Certificate of Deposit) for $4000 at a rate of 4% for 3 years. How much simple interest did he earn?

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How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21