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1. 1. 2. 3. Express the concentration (in oz/gal) of salt in a mixture of 1 gallons of brine containing 20 ounces of salt, to which some pure water has been added, where x = volume of pure water added (in gallons). Choose the correct answer from the following: • {image} • {image} • {image}

2. An executive in an engineering firm earns a monthly salary plus a Christmas bonus of $9,000. If she earns a total of $103,800 per year, what is her monthly salary? Choose the correct answer from the following: • $7,900.00 • $8,650.00 • $9,050.00 • $94,800.00

3. During his major league career, Hank Aaron hit 36 more home runs than Babe Ruth hit during his career. Together they hit 1,512 home runs. How many home runs did Babe Ruth hit? Choose the correct answer from the following: • 738 home runs • 774 home runs • 702 home runs • 756 home runs

4. A merchant blends tea that sells for $3.05 a pound with tea that sells for $2.80 a pound to produce 80 lb of a mixture that sells for $2.95 a pound. How many pounds of each type of tea does the merchant use in the blend? Choose the correct answer from the following: • 48 lb of tea that sells for $3.05 and 32 lb of tea that sells for $2.80 • 32 lb of tea that sells for $3.05 and 48 lb of tea that sells for $2.80 • 40 lb of tea that sells for $3.05 and 40 lb of tea that sells for $2.80