Q1: Solve the equation 3x + 4 = 11x for the variable x.

Q2: 12.3% of $345.14 is what amount of money, accurate to nearest cent?

Q3: Solve for a and b. leave solution in the form (a,b)

2a - 3b = 24

2a- 4b = 28

Q4: find the gross profit margin of an item with a selling price of $17.50 and a cost of $11.00

Q5: What amount must be invested today in order to produce a maturity value of $2,200 after 3 years if the rate of simple interest is 9%