Sandy had test scores of 20 25 17 22 and 21 (out of 25 total). what is her average (mean) score?
1 answer:
You might be interested in
Answer:
<h2>x = 4</h2><h2>JT = 18</h2>Step-by-step explanation:
Given three points J, C and T on a line, if J is between C and T then;
CJ + JT = CT.
Given CJ=8x+5, CT=55, and JT=4x+2, substituting this parameters in the equation above will give;
SInce JT = 4x+2