title: summing numbers in a hash in ruby
body: <p>I have a hash like this.</p>
  
  <pre><code>products = {199 =&gt;['Shoes', 59.99], 211 =&gt;['Shirts', 19.99], 245 =&gt;['Hats', 25.99], 689 =&gt; ['Coats', 99.99], 712 =&gt; ['Beanies', 6.99]}
  </code></pre>
  
  <p>It has an item number => <code>[product, price]</code>. </p>
  
  <p>I would like to sum up all the prices without using the inject method. </p>
  
  <p>Can anyone help me please?</p>