Question

1. what is the mean of the data below? 24, 32, 45, 56, 67 a) 44 b) 44.8 c) 45 d) 56 10. simplify the expression. 2(3x + 4) - x 11. solve for x. 3x + 7 + x = 35 12. write an algebraic expression for sixteen decreased by a number a. 13. evaluate the expression 2x - 8 - 3y if x = 11 and y = -2. 14. no calculator. add. 2/3 + 3/5 15. joes seafood charges $12.75 per crabcake plus $26.25 for shipping and handling to send fresh maryland crab cakes anywhere in the continental us. the total cost of shipping your order was $128.25. how many crab cakes did you order?

Explanation:

Step1: Calculate the total cost of crab - cakes without shipping

The total cost is \(128.25\) dollars and the shipping cost is \(26.25\) dollars. So the cost of crab - cakes alone is \(128.25−26.25\).

$$128.25−26.25 = 102$$

Step2: Find the number of crab - cakes

Each crab - cake costs \(12.75\) dollars. Let the number of crab - cakes be \(n\). We know that \(n=\frac{\text{Cost of crab - cakes}}{\text{Cost per crab - cake}}\).

$$n=\frac{102}{12.75}$$

$$n = 8$$

Answer:

\(8\) crab - cakes.