Mathematics, 20.04.2021 03:20 malak3782

Tony decided to start a nickel collection. Every week for 9 weeks he added 20 nickels to his collection. If a nickel weighs 5 grams how much did Tony's collection weigh in kilograms at the end of the 9 weeks?

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Tony decided to start a nickel collection. Every week for 9 weeks he added 20 nickels to his collect...