Answer:
One pen costs $2
Step-by-step explanation:
The 7 mechanical pencils costed $5.25, so $13.25 minus $5.25 is $8; and $8 divided by $4 is $2. So each pen costs 2 dollars.
Equation: 4n = 13.25 - 5.25
The variable n stands for the cost of one pen.
I hope this helps! I'm pretty confident in this answer, myself so I think you'll do great!
Answer:
3x+4x+10/5+8/5
7x+10/5+8/5
7x+18/10
7x+9/5
Step-by-step explanation:
Answer:
The function of this equation is: 
Step-by-step explanation:
Answer:
927/5
Step-by-step explanation:
100%/20=5 so just divide by 5
A=(a+b/2)h is the formula hope that helps
