Answer:
The answer is 15 weeks.
Explanation:
They ranged from untidy to absolutley filthy, according to a study in 1917. In 1900, 78% of all children were enrolled in American Schools; By 1910 the percentage had increased only slightly to 79%. In 1905 the average school term lasted 151 days, to which the average student attended 105 days. And 105 divided by 7 is 15.
