Richard and Gianni each bought a pizza this pizzas are the same size Richard cut his pizza into 16 slices do you wanna cut his pizza to four slices and eat two slices to go to Richard and Gianni and 11/16 of one pizza how many slices of pizza did Richard eat

Therefore,  Richard was eat 3/16 pizza.

Step-by-step explanation:

We know that Richard and Gianni each bought a pizza. This pizzas are the same size. Richard cut his pizza into 16 slices.

Gianni cut his pizza to four slices and eat two slices.

We know that  Richard and Gianni ate 11/16 of one pizza.  

We calculate how many slices of pizza did Richard eat.

We conclude that Gianni is eat 1/2 pizza. We get

Therefore,  Richard was eat 3/16 pizza.

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