TIP: Know How to Solve These Math Problems

  1. In a downtown building, there are 6 floors and the number of rooms on each floor is R. If each room has exactly C chairs, which of the following gives the total number of chairs in the building?
  2. Mindy’s average monthly salary for the first 4 months she worked was $300. What must her average salary for the next 8 months be so that her average monthly salary for the year is $350?
  3. An agent receives a commission of 40 cents for every $50 of business she procures. What percent is the agent’s commission?
  4. Sales (s) are a function of price (p). s(p)=2p-14c+1800. When price is $8.00, sales are $1800.00. What should price be in order for sales to reach $2100.00?
  5. 2x-4y+2xy=3xz-8z+80 Solve for x as a function of y and z.