CPM Homework Help : MC2 Problem 7-60

Forty percent of the students at Pinecrest Middle School have a school sweatshirt. There are 560 students at the school. Draw a diagram to help you solve each problem below. Homework Help ✎
1. How many students have a school sweatshirt?
2. If 280 students have school t-shirts instead of sweatshirts, what percentage of the school has a t-shirt?
3. What percentage of the school does not have a t-shirt or a sweatshirt?

Hint (a):

More Help (a):

$\frac{40}{100}\left(\frac{?}{?}\right)=\frac{\textit{x}}{560}$

Answer (a):

x = 224 students

Hint (b):

280 is what percent of 560?

More Help (b):

$\frac{\textit{x}}{100}\left(\frac{?}{?}\right)=\frac{280}{560}$

Answer (b):

x = 50%

Hint (c):

If 40% of the students have a school sweatshirt and 50% have a t-shirt instead of a sweatshirt, what is the remaining percentage of students that have neither?