Answer:
4/9
Step-by-step explanation:
Multiply each answer choice by 3/4 or 1/3 and they will all be wrong except for 4/9.
3 x 4 = 1/3
so 4/9
67+52+x=180
119+x=180
x=61
hope this helps!
the equation to be used would be x=180-(67+52)
A. 8 books on each shelf
B. 4 shelves for mystery, 7 shelves for biography
Answer:

Step-by-step explanation:
When choosing equations to write, make sure you choose a pair that allow you to isolate a variable and solve for it.
Sample solution:


