Question
Henry was supposed to arrange some chairs for a concert in the school hall. If he formed 11 rows of 5 chairs, he would be left with 7 remaining chairs. How many more chairs would he need in order to form 15 rows of 14 chairs?
4 m

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Henry was supposed to arrange some chairs for a concert in the school hall. If he formed 11 rows of 5 chairs, he would be left with 7 remaining chairs. How many more chairs would he need in order to form 15 rows of 14 chairs?