About 3,000 books because 105 * 28 = 2940
and 2940 rounded to the nearest thousand is 3000. Hope this helps.
Answer: The different possible solutions are 42, 21, 31 and 80.
Explanation:
The given expression is,

Case 1.



Case 2.


Case 3.



Case 4.


Answer:
Step-by-step explanation:
To get the unit to equal 1, divide both numbers by the denominator; your answer is the number you get by dividing the numerator by the denominator. Use this method to calculate unit cost, too—you're calculating how much 1 item is worth, after you're given the amount that multiple items cost.
Answer:
100% guarantee its D for A P E X :)
Step-by-step explanation: