Answer:
why does my computer make me submit and anser when I have no idea what this is.
Step-by-step explanation:
Tim has 90 hardcover books
55% because 1815 divided by 3300 is .55, and .55 is 55%
1085
100 - 69 =31%
3500 /100 =35
35 x 31 = 1085
