The Pony Club is feeding the ponies lunch. Each pony only gets one type of food for lunch. https://cdn.kastatic.org/ka-perseus-graphie/2a7b618032840c3a9861667023ae3988a67c0f35.svg = 1 pony https://cdn.kastatic.org/ka-perseus-graphie/44dfd4b05cad961d6a1015a1a03215cb8fcbc544.svg How many total ponies ate lunch? \begin{array}{|c|c|}
\hline
Food & Number\ of\ ponies \\
\hline
Straw & \\
\hline
Hay & \\
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Grass & \\
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Oats & \\
\hline
\end{array}