diff --git a/lib/binary_to_decimal.rb b/lib/binary_to_decimal.rb
index 439e8c6..dcd724e 100644
--- a/lib/binary_to_decimal.rb
+++ b/lib/binary_to_decimal.rb
@@ -2,8 +2,14 @@
 # The array is randomly filled with 0’s and 1’s.
 # The most significant bit is at index 0.
 # 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
+# Calculate  and return the decimal value for this binary number using the algorithm you devised in class.
+
+
+def binary_to_decimal(bnry)
+
+
+  decimal = bnry[0] * 128 + bnry[1] * 64 + bnry[2] * 32 + bnry[3] * 16 + bnry[4] * 8 + bnry[5] * 4 + bnry[6] * 2 + bnry[7]
+
+  return decimal
+
 end