5x+6y=28,3x+2y=14----------------------------------------------------------
The answer is 6.75 or 27/4
1200, (2)3+(2)2+2 = 6+4+2 = 12 12(100)= 1200
Answer:
Triangle
Step-by-step explanation:
A triangle has three vertexes, and therefore three interior angles. Those angles also sum to 180 degrees because of the formula (n-2)*180, where n is the number of sides that a polygon has. Plugging in 3, you get
, or just 180 degrees. Hope this helps!
Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90