Apainter charges $35 per hour for labor plus 40$ for a ladder rental when he paints a house. the costomer provides the paint. total charge to paint a costomer hoise was 950. how many hours did the painter spend painting this house

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?