To find the total cost for 10 books, we can substitute n=10 into the expression 8n+5:
8(10) + 5 = 80 + 5 = $85
Therefore, Ms. Luna's order cost $85.
The answer is (d) $85.
Ms. Luna ordered 10 paperback books for her class. The books cost $8 each and shipping is $5. The expression 8n+5 represents the total cost for n books ordered. How much was Ms. Lunas order?
a. $95
b. $75
c. $80
d. $85
1 answer
1 answer