Your friend's new personal trainer suggests that she supplementwith no more than 20 grams of creatine but at least 20 grams ofL-glutamine and 42 grams of BCAAs each week. She is thinking ofcombining Xtend and Strongevity to create a week's supply thatmeets her new trainer's specifications. (See the followingtable):

	Creatine (grams)	L-Glutamine (grams)	BCAAs (grams)	Cost ($)
Xtend® (SciVation)	0	2.5	7	1.00
Strongevity® (Bill Phillips)	2.5	1	0	1.20

a. Can she combine the products in such away that the number of servings of Xtend exceeds that ofStrongevity by as much as possible? If so, how many servings ofeach should she combine? If not, explain why not.
b. Can she combine the products in such a waythat the number of servings of Strongevity exceeds that of Xtend byas much as possible? If so, how many servings of each should shecombine? If not, explain why not.