A textbook store sold a combined total of 240 chemistry and history textbooks in a week. The number of chemistry textbooks sold was two times the number of history textbooks sol…

Question

asked Aug 23, 2022 137k views

1 Answer

Ballon Ura · Answer 1 · 2022-08-29T16:51:52+0000

Answer:

160 chemistry books and 80 history books

Explanation:

C=chemistry books sold, H=history books sold

C=2H

C+H=240, 3H=240, H=80, C=160