3x + 5Y > 25
**we know that the sale is MORE but not equal to 25
Here is the set up:
Side 1 is 4x.
Side 2 is 5x + 3
Side 3 is 5x + 1
The perimeter is 102.
Perimeter = side 1 + side 2 + side 3
102 = 4x + 5x + 3 + 5x + 1
102 = 14x + 4
Take it from here.
Step-by-step explanation:
6z=z+z+z+z+z+z
z to the 6th power=z*z*z*z*z*z
Answer:
In your change cup you have 28 coins. All of which are nickels and quarters. Together they add up to $4. How many coins do you have of each.
It is easier to solve by substitution.
Additive Inverse. -5 and 5 are opposites.