4/5 of the homework = 5/6 hr
1/4 of the homework = 5/6 ÷ 4
5/5 of the homework = 5/6 ÷ 4 × 5
5/6 ÷ 4 × 5 = 25/24 hrs which is 1 and 1/24 of an hr
answer: 1 and 1/24 of an hr
6.5m questions
8.6m answers