Respuesta :

musiclover10045
each box is enough for 10 people

Carl bought 3 boxes
 multiply 3 by 10: 3 *10 = 30 
Tina bought 4 boxes
  multiply 4 by 10: 4 *10 = 40 

then add them together:

30 + 40 = 70 people

gisselle17808
30 + 40=70 and that is the answer for the inequality and the total of people