You manage an ice cream factory that makes two flavors: Creamy Vanilla and Continental Mocha. Into each quart of Creamy Vanilla go 2 eggs and 3 cups of cream. Into each quart of Continental Mocha go 1 egg and 3 cups of cream. You have in stock 800 eggs and 1650 cups of cream. How many quarts of each flavor should you make in order to use up all the eggs and cream? HINT [See Example 5.]

Creamy Vanilla qt

Continental Mocha qt

Gerber Product's Gerber Mixed Cereal for Baby contains, in each serving, 60 calories and 11 grams of carbohydrates. Gerber Mango Tropical Fruit Dessert contains, in each serving, 80 calories and 21 grams of carbohydrates. If you want to provide your child with 200 calories and 43 grams of carbohydrates, how many servings of each should you use?

Gerber Mixed Cereal for Baby	serving(s)
Gerber Mango Tropical Fruit Dessert	serving(s)

In the two-month period June 1July 31, 2011, Hess Corp. (HES) stock decreased from $80 to $70 per share, and Exxon Mobil (XOM) stock decreased from $83 to $80 per share. If you invested a total of $23,090 in these stocks at the beginning of June and sold them for $21,900 at the end of July, how many shares of each stock did you buy?

HES	shares
XOM	shares

Earl is ordering supplies. Yellow paper costs $4.00 per ream while white paper costs $6.50 per ream. He would like to order 100 reams total, and has a budget of $475. How many reams of each color should he order?

yellow paper	reams
white paper	reams

Use technology to obtain approximate solutions graphically. All solutions should be accurate to one decimal place. (Zoom in for improved accuracy.)

4x		y	=	2
x	+	2y	=	5