I think the correct answer is D. Or if not is B.
20 books per box and x number of boxes.
To write an equation you have to figure out what variable you are solving for, which is x. Then you see what x is, which is the number of boxes. Finally you figure out what it takes from the given no. to get to the answer, x.
y = no. of books
x = y/20
11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 111, 121, 131, 141, 151, 161, 171, 181, 191, 202, 212, 222, 232, 242, 252, 262, 272, 282, 292.
I believe that makes 29 palindromes, I hope this helped :)
Answer:
not the best at math but to what I got was 81/3
Step-by-step explanation:
I'[m not 100% sure if that's right but it's what i got so you can be mad if I did do it wrong