Mathematics, 13.11.2020 20:40 TheDoges

a roller coaster has 3 trains with 7 rows per train. Riders stand in rows of 7, for a total of 42 riders per train. The operators of the coaster recorded the number of riders on each train during a run. In the first train, 6 1/6 rows were filled. On the second train, all 7 rows were filled. On the third 4 1/2 rolls were filled. How many rows were empty on the first train?

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a roller coaster has 3 trains with 7 rows per train. Riders stand in rows of 7, for a total of 42 ri...

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