Answer:
do a line conforming to the table days=x sales =y
Step-by-step explanation:
make the numberline 800 to 0 and do bunny hop to a different part of the number line to show subtraction.
21
x+42=3x
-x -x
42=2x
÷2 ÷2
x=21
3. 3/4
hope this helps
