Jolly had 12 burgers from the start.
if his five friends ate 2, you'd multiply that and get 10, then you add how many Jolly ate, which is 12.
1) The ratio of used books to all books is 6:14
2) The ratio of used books to new books is 6:8
1 solution. it can't be 2, and if you solve it, there is a solution, x stays in the equation, so there's 1 solution
Answer:
It is A
Step-by-step explanation:
I cant explain step by step I am in a rush but it is A