Answer:
Correct choice is D
Step-by-step explanation:
Given the system of two equations:

Fro mthe first equation

Substitute into the second equation
instead of y:

Note that
then the second equation will take look

There is no illustration, so it is impossible to answer this question. I apologize.
5/16 as a decimals. Divide 5 by 16 = 0.3125 times 100 = 31.25%
Answer:
21
Step-by-step explanation: