diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 439e8c6..3f0bfdc 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -4,6 +4,14 @@
 # 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
+#   decimal_format = (binary_array[0] * 128) + (binary_array[1] * 64) + (binary_array[2] * 32) + (binary_array[3] *16) + (binary_array[4] * 8) + (binary_array[5] * 4) + (binary_array[6] * 2) + (binary_array[7] * 1)
+# return decimal_format
+# end
+
 def binary_to_decimal(binary_array)
-  raise NotImplementedError
+  decimal_format = (binary_array[7] * 1) + (binary_array[6] * 2) + (binary_array[5] * 4) + (binary_array[4] * 8) + (binary_array[3] * 16) + (binary_array[2] * 32) + (binary_array[1] * 64) + (binary_array[0] * 128)
+return decimal_format
 end