3.50 * X + 2.00 x represents the number of books
To find the percentage of 28 from 70:
28/70=0.4
0.4=40%
Plug in the value to solve the expression.



Hope this helps.
頑張って!
Answer:

Step-by-step explanation:
I hope this helps you :)
Answer:
What is the value of x + z? ... length of line segment IK? a. 4 units b. 42 units c. 82 units d.
Step-by-step explanation: