If 6 of the 13 books are new, then 7 of them are used. The ratio of new (6) to used (7) is
6:7 or 6/7
Ratio of all books (13) to used books (7) is
13:7 or 13/7
29-11=18
18²+18²=p²
324+324=p²
p²=648
p=18√2
That's your answer.
The answer is 1506 it is this because if you add th number you will get it
96/4=24 beads in 1 bracelet
beads in 7 bracelets = 24*7=168
