The answer is 72 because if each plank needs 8 nails and each wall have 9 planks you multiply 9 by 8 which is 72
Answer:
y = 2x-7
Step-by-step explanation:
÷ the whole equation by 3
take the y to the right hand side and the 7 to the left
160 ÷ 51
= 3/7/51
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The answer in 28 years old because you add all the numbers together which is 336 and then divide by how many numbers there are which is 12 and that equals 28 which is the average.
