Lindy works at a pizza restaurant and gets a 10% employee discount. she knows that if she orders d drinks and a medium pizza with t toppings, her total cost can be found using this expression: 0.90(2.25d + 1.40t + 6). what is the total cost for lindy and her friends to order 4 drinks and a medium pizza with 3 toppings? a. $17.28 b. $16.52 c. $15.69 d. $28.40

Option A. $17.28

Step-by-step explanation:

we have the expression for the cost

In this problem we have

substitute the given values in the expression to obtain the cost

A. $17.28

Step-by-step explanation:

Given : Lindy works at a pizza restaurant and gets a 10% employee discount.

here m, 10% can be written as 0.10.

She knows that if she orders d drinks and a medium pizza with t toppings, her total cost can be found using this expression:

For d= 4 and t= 3 , we have

Therefore, the total cost for Lindy = $ 17.28