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A girl bought a card and then returned it. The second card cost \$1.50 less than the first card. She got 75 cents in change. How much did the first card cost?

Let x equal the cost of the first card.

x - 1.5 = 0.75
x = 0.75 + 1.5
x = 2.25

Does that make sense to you?

yes

how do i round a number that is3,045,832.

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