solve exercise 1

Author: imteekay

elixir/learn-fp-with-elixir/02.variables-and-functions/exercises/01.ex

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+# Create an expression that solves the following problem:
+# Sarah has bought ten slices of bread for ten cents each,
+# three bottles of milk for two dollars each, and a cake for fifteen dollars.
+# How many dollars has Sarah spent?
+
+10 * 0.10 + 3 * 2 + 15 # 22.0