Exam 2: A: Review and Applications of Algebra

$100 is what percent more than $90?

Perform the operation indicated and collect like terms:

Calculate the missing value: Initial Value = 0.11; Final Value = 0.13; Percent Change =?

Simplify:

Simplify:

Simplify:

Evaluate to six-figure accuracy:

Evaluate to six-figure accuracy:

Evaluate: I ÷ Pr for P = $500, I = $13.75, r = 0.11

Evaluate to six-figure accuracy:

Evaluate to six-figure accuracy:

Simplify:

Evaluate to six-figure accuracy:

Erin has invested in both an equity mutual fund and a bond mutual fund. Her financial advisor told her that her overall portfolio rose in value by 1.1% last year. Erin noted in the newspaper that the equity fund lost 3.3% last year while the bond fund rose 7.7%. To the nearest 0.1%, what percentage of her portfolio was in the equity fund at the beginning of the year?

Simplify:

The retail price of a pair of skis consists of the wholesale cost to the retailer plus the retailer's markup. If skis retailing for $712 are marked up by 60% of the wholesale cost, what is that wholesale cost?

Perform the operation indicated and collect like terms:

Simplify and collect like terms: 15x - [4 - 2(5x - 6)]

Solve the following pair of equations. Verify your solution. 7p - 3q = 23 -2p - 3q = 5

Evaluate to six-figure accuracy: