“what is the sum of the angles of a triangle” 180 degrees
-9/5 or -1.8
2 - - 3 = 5
-5 - 4 = -9
Magazines that cost $3.95 each, <span>m represent the number of magazines
</span>books that cost $8.95 each, <span>b represent the number of books
</span><span>total of $47.65
</span><span>
so
equation
3.95m + 8.95b = 47.65</span>