Seudónimo Seudónimo
  • 18-03-2017
  • Mathematics
contestada

If 75% of a class answered the 1st question on a certain test correctly, 55% answered the 2nd question on the test correctly and 20% answered neither of the question correctly, what percent answered both correctly?

Respuesta :

Cellow111
Cellow111 Cellow111
  • 18-03-2017
100-20=80
80-75=5
75-55=20
20+5=25
Answer=25
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