Nickels = x
dimes = x + 4
quarters = x
Value of coins:
nickel = 5 cents
dime = 10 cents
quarter = 25 cents
5x + 10(x + 4) + 25x = 3.20
5x + 10x + 40 + 25x = 320
40x = 320 - 40
40x = 280
x = 280/40
x = 7
There are 7 quarters, 7 nickels and 11 dimes.
Answer: 8
Step-by-step explanation:

Answer:
Decay.
Step-by-step explanation:
The reason for, is that growth is pointed up and decay is pointed down.
:)
Answer:
You didnt show the statements...
Step-by-step explanation:
It is 54 for 1 and 2 is 2520 you multply the lenght by the whith and divide by 2