Ms. Luna ordered 10 paperback books of her class. The books cost $8.00 each and shipping is $5.00. The expression 8n +5 represents the total cost for n books ordered. How much was Ms. Luna's order? Select the correct answer.
a. $95.00
b. $ 75.00
c. $80.00
d. $85.00
The correct answer is a. $95.00
To find the total cost, substitute n = 10 into the expression 8n + 5:
8(10) + 5
= 80 + 5
= 85
So, the total cost for Ms. Luna's order is $85.00.