9514 1404 393
Answer:
D. 1/12
Step-by-step explanation:
Form the fraction and simplify.
(3/9)/4 = (1/3)/4 = 1/(3·4) = 1/12
Each boy will get 4 coins because 24 in half is 12 and divide by 3 equals 4
The sum of two adjacent sides is 11 inches, so the long sides are 9 inches. The "unknown number" must be 12.