There were 3/7 as many tables as chairs in a school hall. Mr. Chan added 60 tables and 60 chairs into the school hall for an event. As a result, the number of tables was 3/5 the number of chairs. How many chairs were in the hall in the end?

Mr. O�Connor had $90 to spend at a football game. He spent (31/45) on his ticket. Then, he spent (3/7) of his remaining money at the concession stand. While walking back to his seat, he saw a new hat on sale for $18. Did Mr. O�Connor have enough money left to buy the hat? Why or why not?

For the hot dog eating contest for the year 2020, in Iowa, the male regional winner ate 32.5 hot dogs and the female winner ate 12.5 hot dogs. How much more hot dogs did the male winner eat than the female winner?

A baker baked some chocolate muffins and vanilla muffins altogether. The number of chocolate muffins was 3/5 of the total number of muffns. He sold 84 vanla mufins and the number of chocolate muffins became 9/11 of the total number of muffins. How many muffins did he bake?

Nicholas scoops a few gumballs into his bag. When he weighs it, he finds that he scooped 0.76 pounds. About how much will the gumballs cost?

Randy is that green thumb and he sees that 10 plants cost 0.25. He needs 50 plants to decorate his garden. How much will 50 plants cost?

Alice saved $2900. She saved $1567 less then her brother. How much did her brother save?