Gender selection the genetics and ivf institute conducted a clinical trial of the ysort method designed by increase the probability of conceiving a boy .as this writing 152 babies were born to parents using the ysort method, and 127 of them were boys.

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?