please help its due soon!

A survey asked 100 seventh graders if they have either a cell phone or a tablet. Of the 32 students that have a cell phone, 19 do not have a tablet. Of the 70 students that have a tablet, 57 do not have a cell phone. A total of 11 students stated they do not have a cell phone or a tablet. Some of this information is included in the frequency table. Tablet No tablet Total Cell phone L[blank]. 32 No cell phone Total 70 100 How many students have both a cell phone and a tablet? Enter your answer as the number that correctly fills in the blank in the table, like this: 42​