Im fairly sure its 100 for 65 is higher than 40 therefore making it closer to 100. if not its 0.
What is 65 rounded to the nearest ten
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
The [percentage increase is 100*(65-45)/45 = 100*20/45 = 44.4%
65
100
600
100
100
0
555 rounded to the nearest 100 is 600.
$65.16 rounded to the nearest dollar = $65 65.16 cents rounded to the nearest dollar = $1
97 rounded to the nearest hundred is 100. 97 rounded to the nearest ten is 100