a textbook store sold a combined total of 348 history and physics textbooks in a week. the number of history textbooks sold was 2 times the number of physics textbooks sold. how many textbooks of each type were sold ?

Respuesta :

Answer:

116 physics

text books and 232 history text books

Step-by-step explanation:

call physics tb sold x

history tb=2x

3x=348

x=116