Answer:
78
Step-by-step explanation:
Formula is already provided
2pir
2×3×13
6:11
If there are 6 used books and 11 total books, then there are 6 used books per 11 total books hence 6:11
Answer:
x=9
Step-by-step explanation:
divide 4 from both sides to get x by itself. 4x÷4 = x, 36÷4=9 therefore x=9
