$40/12 = unit rate simplify = 10/3
$10/3 per book
18 * 10/3 = $60 for 18 copies
1 pound 2/3 + 1/3 = 3/3 simplify to get 1
Answer:
Each noble, on average, eats 3 tarts
Each peasant eats 1/2 tarts
Step-by-step explanation:
Answer: d and e
Step-by-step explanation:
a) 4 - 9 = 5 FALSE
b) 20 = 14 + 9 FALSE
c) 15 = 9 - 6 FALSE
d) 9 divided by 3 = 3 TRUE
e) 36 = 4 x 9 TRUE