In Leah's classroom there are red chairs, yellow chairs, and blue chairs. There are 8 red chairs. There are 4 times as many yellow chairs as red chairs, and there are 6 fewer blue chairs than yellow chairs. How many chairs are there in Leah's classroom?

In Zeke's classroom there are red chairs, yellow chairs, and blue chairs. There are 3 red chairs. There are 3 times as many yellow chairs as red chairs, and there are 2 fewer blue chairs than yellow chairs. How many chairs are there in Zeke's classroom?

There are five blue chairs and four pink chairs in a class of nine students, comprising five boys and four girls. Before lunch, the five boys sat on the blue chairs and the four girls sat on the pink chairs. If after lunch, no girl sat on the same chair on which she was sitting before lunch, but all the girls sat on pink chairs, in how many ways can all the students be seated?

Helen had to arrange some chairs in a fixed number of rows. If she put 8 chairs in each row, she would be short of 7 chairs. If she put 7 chairs in each row, she would have 2 chairs left. How many chairs were there?

A cafeteria has 6 round tables and 12 rectangular tables. Each round table has 5 chairs, and each rectangular table has 8 chairs. How many chairs are there in all?

Vicky has 7 red beads, and she has 5 fewer yellow beads than red beads. Vicky also has 7 more green beads than red beads. How many beads does Vicky have in all?