7.) items that were once sold at yard sales, given to friends, or donated to charity now sit untouched for years at a time. i need answer the question. which number is main idea?

Main idea (1) Storage facilities have become part of our culture.

Explanation: The other statements are examples to support the main idea.

for this case, we must find the number of deaths per day of the year 2015, in automobile accidents, knowing that 32,400 people died.

knowing that the year 2015 had 365 days we have the following division:

where "x" represents the number of deaths per day.

rounding off we have:

approximately, 89 people per day died in 2015

answer:

89 people per day

a question like this requires the excerpt to be included in order to answer the question.