The Answer is x=15. Good luck!
Recliner:
Markup $10
selling price $300
computer:
markup $19.20
selling price $67.20
Answer:
Sister Is a PIG
Step-by-step explanation:
and Your Friends Gets her Scraps
Answer:
b=9,a=12
Step-by-step explanation:
I solved by substitution:
b = 3/4a ---> plug this into the other equation
a + b = 21 is now a + 3/4a = 21
Reduce: 7/4a = 21
a = 12
Now solve for b:
b=3/4a is now b=3/4(12)
b=9