Six mystery books, five science books, four history books, and three adventure books add up to 18 books on the shelf.
18 divided by 9 = 2 books >> which equals 1/9 of the shelf
2/9 equals 4 books ...etc
The four history books would equal 2/9 and would be your answer!
Answer:
-1215
Step-by-step explanation:
you muiltpy by -3 every time
2.62$
phthagoras
Part A: 15
Part B: $125