Final answer:
The Halsey family spent approximately $1503 on school clothes for their nine children.
Step-by-step explanation:
To find out how much the Halsey family spent on school clothes for their nine children, we can multiply the average amount spent per child by the number of children they have. In this case, the average amount spent is $167 per child. So, to calculate the total amount spent, we will multiply $167 by 9:
$167 x 9 = $1503
Therefore, the Halsey family spent approximately $1503 on school clothes to the nearest ten dollars.