Exam 2: Review and Applications of Algebra

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

Solve the following equation: 3.1t + 145 = 10 + 7.6t

After Island Farms increased the container size for its premium ice cream from 1.65 L to 2.2 L, the retail price increased from $5.49 to $7.98. What was the percent change in the unit price? Calculate the answer accurate to the nearest 0.01%.

Simplify:

A caterer has the following price structure for banquets. The first 20 meals are charged the basic price per meal. The next 20 meals are discounted by $2 each and all additional meals are each reduced by $3. If the total cost for 73 meals comes to $1620, what is the basic price per meal?

Solve the following equation accurate to the cent:

Simplify and collect like terms:

Simplify and combine the like terms:

The tickets for a hockey game cost $19.00 for the blue section and $25.50 for the red section. If 4460 tickets were sold for a total of $93,450, how many seats were sold in each section?

=

Solve the following equation: 8 - 0.5(x + 3) = 0.25(x - 1)

Use formula (4-2) to calculate d₂ if N = $70.29, L = $99.99, d₁ = 0.20, and d₃ = 0.05.

Solve the following equation: x - 0.025x = 341.25

Perform the operation indicated and collect like terms:

Evaluate to six-figure accuracy:

Simplify the following:

₌

Simplify:

Evaluate the following expression for the given value of the variables: I ÷ Pr for P = $500, I = $13.75, r = 0.11