BYT #'s 21-30

The number of roses Mr. Adams ordered for his store was three times as many as the number of carnations ordered. He ordered a total of 56 flowers. How many roses did Mr. Adams order?

The owner of a clothing store received a shipment of 1,230 pairs of socks. The socks came in 36 boxes. The same number of pairs of socks were in 35 of the boxes. How many pairs of socks were in the last box?

Jared uses 24 tiles to cover the top of his desk. Of the 24 tiles, 3/8 are blue. How many of the tiles are blue?

Tony worked 4 2/3 hours on his science project. Sonia worked 1 1/4 times a long on her science project as Tony did. For how many hours did Sonia work on her science project?

Julia had 2/3 quart of cleaning liquid. She used 1/4 of it to clean the sink counter. How much cleaning liquid did Julia use?

Carlos had 24 class play tickets to sell. He sold 3/4 of the tickets. How many tickets did Carlos sell?

Noreen made 8 2/3 cups of snack mix for a party. Her guests ate 3/4 of the mix. How much snack mix did her guests eat?

Ganesh is stacking boxes in a storage room. There are 12 boxes in all. If each box weighs 9.6 pounds, how much do the boxes weigh altogether?

The instruction booklet for a DVD player says that the player uses about 0.4 kilowatt of electricity per hour. If electricity costs $0.20 per kilowatt hour, how much does it cost to run the player for an hour?

Rhianna was doing research for a report about the highest mountains in the United States. She read that the Grand Teton in Wyoming is about 1.37 x 10^4 feet high. How should Rhianna write the height of the Grand Teton in standard form on her report?