Answer:
x= 48.75
Step-by-step explanation:
Add like terms
2x+2x and
2-17
4x-15=180
Now subtract -15 to both sides get x by itself
4x-15+15=180+15
4x=195
Now divide by four to each side to get x by itself again
4x/4 = 195/4
x=48.75
Im pretty sure the number of books is your x and the cost is your y
Answer:
The bottom table.
Step-by-step explanation:
It's the only one that shows options for heads and tails for every number.