You would make a table first, the top part, just start from zero and add every time. Hope this helps
I think the first one or the thrid one
hope this help
A) No one in the class studied more then 5 hours
Answer:
11/12
Step-by-step explanation:
6 7/12 - 5 2/3
=(6-5) + (7/12 - 2/3)
= 1 + 7/12 - 2*4 / 3*4
= 1 + 7/12 - 8/12
= 1 + 7-8 / 12
= 1 + -1/12
=11/12
Answer: x=-3
Step-by-step explanation:
7x+5-5=-16-5
7×/7=-21/7
X=-3