Question

this question has two parts. first, answer part a. then, answer part b
part a
dining out the ross family recently dined at an italian restaurant. each of the four family members ordered a pasta dish that cost $11.50, a drink that cost $1.50, and dessert that cost $2.75.
a. write an expression that could be used to calculate the cost of the ross dinner before adding tax and a tip.
part b
b. what was the cost of dining out for the ross family?

Explanation:

Step1: Calculate per-person cost

$\$11.50 + \$1.50 + \$2.75 = \$15.75$

Step2: Write total cost expression

$4 \times \$15.75$ or $4 \times (\$11.50 + \$1.50 + \$2.75)$

Step3: Compute total cost

$4 \times \$15.75 = \$63.00$

Answer:

a. $4 \times (\$11.50 + \$1.50 + \$2.75)$
b. $\$63.00$