Katelyn wants to build a desk for her doll. Her actual desk is 3 feet tall. The scale is .5 in: 1 ft. How tall will the doll desk be?

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?