title: Excel formula using 2 sheets
body: <p>I have 2 excel sheets and I need a formula to get the value for column * from sheet 2 based on the values of the type and model columns.</p>
  
  <pre><code>Sheet1                  Sheet2              
  
          *???            |              modelA   modelB  modelC
  typeA   100   modelA    |       typeA   100     1        1
  typeB   50    modelB    |       typeB   1       50       1  
  ...                     |       ...         
  typeY   20    modelA    |       typeY   20      1        1  
  </code></pre>
  
  <p>Thanks in advance for any suggestions</p>