The equation that best represents the situation would be y=0.15x +0.55.
A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
The equation that best represents the situation is =
y=0.15x+0.55
The equation for the postal service charges
The amount that is charged for 1 ounce first-class letter = $0.55
The cost for any additional ounce = $0.15
Let x represent the additional ounce.
The total price represented by y
y = 0.15x +0.55
Therefore, the equation that best represents the situation is y=0.15x+0.55
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