$40/12 = unit rate simplify = 10/3
$10/3 per book
18 * 10/3 = $60 for 18 copies
Answer: the answer is c. 13cm, 14cm, 15cm
Step-by-step explanation:
Answer:it’s 12
Step-by-step explanation:
Answer:
i think it$1,991.82. this is what i got.
Step-by-step explanation:
Answer:
38 people
Step-by-step explanation:
add 11, 18, and 9 together