Question

Of the 180 days of school last year, Grace was absent 15 days. What percent of the day was she absent?

Answer 1

180 days represents 100%
15 days represents. ?%

Cross multiply because they are in proportion

?%= 15•100/180= 8.333%

About 8 days she was absent

Answer 2

to find the answer you take the days of the school and divide it by days absent so it is 15 divided by 180 witch is the answer is rounded to 8%