Question

A textbook store sold a combined total of 445 biology and history textbooks in a week. The number of history textbooks sold was 45 less than the number of biology textbooks sold. How many textbooks of each type were sold?

Answer 1

Equations to use:

x = biology

y = history

x + y = 445.

x - 45 = y

Answer 2

Step-by-step explanation:

hope you understand..........