Equivalent Units of Materials Cost

The Rolling Department of Oak Ridge Steel Company had $2,900$ tons in beginning work in process inventory $(30\%$ complete$)$ on July $1.$ During July, $47,600$ tons were completed. The ending work in process inventory on July $31$ was $2,400$ tons $(50\%$ complete$).$

What are the total equivalent units for direct materials for July if materials are added at the beginning of the process?

fill in the blank $1$

units