X= 14 + 9y over 2
y= -x - 7 over 6
Answer:
41
Step-by-step explanation:
each page holds 7 discs. the alb holds 700 discs. that means there are 100 pages. 69% of the pages are empty so therefore 41 pages are filled.
A 4x25=100 10x10=100 making 100 a common multiple of 4 and 10.
10t+50=100
-50 -50
10t=50
10t/10=50/10
t=5