Exam 2: Review and Applications of Algebra

The retail price of an item is $625.50. This includes a markup of three-quarters of the wholesale cost to the retailer. What is the wholesale cost?

Evaluate to six-figure accuracy:

Evaluate the following expression for the given value of the variables and calculate to the cent: + for P = $470, S = $390, r = 0.075,

Evaluate to six-figure accuracy:

Evaluate to six-figure accuracy:

Solve for the unknown variable:

Solve for x and y in the following pair of equations: Y = -0.2x + 4.2 X - 0.5y = 10

Simplify, collect like terms and maintain 5-figure accuracy:

Budget Truck Rentals offers short-term truck rentals consisting of an hourly rate plus a per-kilometre charge. Vratislav paid $54.45 for a two-hour rental during which he drove 47 km. Bryn paid $127.55 for five hours and 93 km driven. What rate did Budget charge per hour and per km?

Evaluate to six-figure accuracy:

Evaluate to six-figure accuracy:

Use formula (10-1) to obtain PMT if FV = $1508.54, n = 4, and i = 0.05.

Use the formula PV = FV(1 + i)^-n to calculate i if PV = $5167.20, FV = $10,000, and n = 15.

Simplify:

Simplify the following:

Solve the following equation: 0.5(x - 3) = 20

After adding to a sum of money, the new amount is $45,000.00. What was the original amount of money?

Solve the following equation: 29 - 4y = 2y - 7

Solve the following pair of equations to three-figure accuracy. Verify your solution. 0.33e + 1.67f = 292 1.2e + 0.61f = 377

Anders has $35,000 to invest. He invested part at 5.5% and part at 7%. His investments earned $2195 total interest for the year. How much did Anders invest at each rate?