“Write an algebraic expression for the following word expression: 3.8 times a number z

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Natalie earns $2.50 for each CD she sells and $3.50 for each DVD she sells. Natalie sold 45 DVDs last year. She earned a total of $780 last year selling CDs and DVDs. Write an equation that can be…

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A basket holds no more than 50 lbs of the material. Each gold coin weighs about 0.5 ounces and each silver coin weighs about 0.25 ounces. Irah wants to know the different numbers of each type of co…