In an advisement class of 30 students, 19 are taking Physics, 17 are taking Chemistry, and 15 are taking both courses. Р C 4 15 2 9 Find P (physics or chemistry). O 50% o 100% o 70% O 20%

Respuesta :

Answer:

20%

Explanation:

Answer:it’s not 20 I got it wrong on my test

Explanation:

My teachers answer guide might be wrong but I’m not sure