40 points pls help M2.L 19
Solve the following problems. If necessary, round to the nearest penny.
1. A family of 9 went to the local Italian restaurant for dinner. Every family member ordered a drink
and meal, 3 ordered an appetizer, and 6 people ordered cake for dessert.
a. Write an expression that can be used to figure out the cost of the bill. Include the definitions for the
variables the server used.
→ 9C+3a+60= total bill when d stands for the dessert and a stands for appetizer and 9 stands
for drink and meals
b. The waitress wrote on her ordering pad the following expression: 3(3d +3m + a + 2c). Was she
correct? Explain why or why not.
c. What is the cost of the bill if a drink costs $3. a meal costs $20, an appetizer costs $5.50. and a
Slice of cake costs $3.75?
d. Suppose the family had a 10% discount coupon for the entire check and then left an 18% tip
What is the total?
2. Sally designs web pages for customers. She charges $145.50 per web page, however, she must
pay a monthly rental fee of $550 for her office. Write an expression to determine her take-home pay
after expenses. If Sally designed 5 web pages last month, what was her take-home pay after
expenses?