Answer: 18
Step-by-step explanation:
Answer: 9
Step-by-step explanation: sorry I don’t know
Answer:
5/7
Step-by-step explanation:
We can use the 9 inches wide to determine that 18 inches of the 42 inches are the wide sides. 42 - 18 = 24, so we divide 24 by how many long sides there are, 2. 24 ÷ 2 = 12. The box was 12 inches long.
2x + 12 = 18
18 - 12 = 6
2x = 6
x = 3