Mathematics, 06.11.2019 10:31, lin43

Question:
a roller coaster has 7 cars. each car has 4 seats. if there were 3 empty seats, how many were on the roller coaster? is this adding and subtraction?

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Answers: 3

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Question:
a roller coaster has 7 cars. each car has 4 seats. if there were 3 empty seats, how...