Astudents cost for last semester was $2100.she spent $420 of that on books. what percent of last semesters college costs was spent on books?

 The required percent of cost that was spent on books is 20%.

Step-by-step explanation:  Given that a student's cost for last semester was $2100 and she spent $420 of that on books.

We are to find the percent of last semester's college costs that was spent on books.

The total cost of last semester, C = $2100

and

the cost of books in the last semester, S = $420.

Therefore, the percent of last semester's college costs that was spent on books is given by

Thus, the required percent of cost that was spent on books is 20%.

i think the answer is .36

step-by-step explanation:

what i did was only 2.88 divided by 8

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers