50
64=1, 2, 4, 8, 16, 32, 64
80
Cross multiply
3(2x + 1) = 5(2x - 5)
expand by using distributive property
6x + 3 = 10x - 25
-4x = - 28
x = 7
Answer:
0,05
Step-by-step explanation:

Graph the line using the slope and y-intercept, or two points.
Slope: 1/3
y-intercept: (0,1)
x y
-3 0
0 1