diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 439e8c6..39d36f5 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -4,6 +4,32 @@
 # The least significant bit is at index 7.
 # Calculate  and return the decimal value for this binary number using
 # the algorithm you devised in class.
-def binary_to_decimal(binary_array)
-  raise NotImplementedError
+
+def generate_binary
+  binary_array = []
+  8.times do
+    binary_array << rand(0..1)
+  end
+  return binary_array
 end
+
+def binary_to_decimal(array)
+  exponent = 0
+  index = -1
+  score = 0
+
+  array.length.times do
+    score += (1 * (2 ** exponent)) if array[index] == 1
+    index -= 1
+    exponent += 1
+  end
+  return score
+end
+
+def convert
+  this_binary = generate_binary
+  puts "#{this_binary.join} in decimal system is #{binary_to_decimal(this_binary)}"
+end
+
+
+convert
\ No newline at end of file