Carrie has 140 coins. She has ten times as much coins as she did last month. How many coins did carrie have last month
1 answer:
You might be interested in
Answer:
r = 2
Step-by-step explanation:
= 4r-4
square root both sides
r = 4r-4
r = 2r-2
2r-r = 2
r = 2