Add all the x up and then you add all the ones that doesn't have an x then divide those 2 together.
×=46
54
Here it is...........................
Answer: 8 textbooks
Step-by-step explanation:
Sold 40 notebooks = 40 x $4 = $160
$800 - $160 = $640 left to sell
$640/$80 (cost of textbook) = 8 textbooks need to be sold
