Mathematics, 13.06.2021 08:00 angie0000

Laurie had 30 coins, all dimes and quarters, in a jar. Every morning for five days, she took out a quarter; then she replaced it with a dime when she got home from school. After five days, Laurie had twice as many dimes as quarters. How many quarters were initially in Laurie's jar?

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Laurie had 30 coins, all dimes and quarters, in a jar. Every morning for five days, she took out a q...