2x+2 + 5x+3 = 180
7x+5 = 180
7x = 175
x = 175/7 = 25
x = 25
Answer: 192 books
Step-by-step explanation:
2/3 + 1/4 = 11/12
16 remaining books = 1/12
16 x 11 = 176
176 + 16=192
Answer:
(0,-5)