Ok so so i'm doing multiple answer questions and i need help with this: what's 0.135 plus ? equals 4.965. can someone please help. And also i'm actually not a 20 year old i just accidentally put my age like that

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?