The correct answer is -30 3/4
Answer:
i think the answer is b
Step-by-step explanation:
Find the unit rate for miles by dividing the time by the miles.
50 / 2.5 = 20
So it takes 20 minutes for her to walk 1 mile.
Answer:

Step-by-step explanation:
Equilateral triangles have 3 equal sides.
Thus, perimeter of triangle
= 3(2x -3)
= 3(2x) +3(-3) <em>(</em><em>expand</em><em>)</em>
= (6x -9) inches
Given that the perimeter is 83 inches,
6x -9= 83
6x= 83 +9 <em>(</em><em>+</em><em>9</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>
6x= 92

Answer:
C
Step-by-step explanation:
(5×2) + (2×3)
(3×2) + (-1×3)
10+6
6-3
16
3