Answer:
$63
Step-by-step explanation:
we know that
Keith bought 4 shirts for $36
so
using proportion
Find out would be the cost for 7 shirts
Let
x ----> the cost for 7 shirts

Percentages are numbers that are units of 100
The value of 20% of 80 is 16
<h3>How to determine the percentage value</h3>
The model is not given.
However, the percentage value can still be calculated
The expression is given as:

Express of as product

Express 20 % decimal

Evaluate the product
16
Hence, 20% of 80 is 16
Read more about percentages at:
brainly.com/question/843074
Answer:
X=66
Step-by-step explanation:
114+x=180
X= 66
Answer:
31
Step-by-step explanation:
The mean is the average so you add all the numbers together (186) and divide by how many numbers there are (6)