Answer: No it is not.
Step-by-step explanation: A rational number is a number that can easily be expressed as a fraction or decimal, and square root of 7 cannot be easily expressed.
60v = $15
60v/60 = $15/60
v = 0.25
The original value of the baseball card is $0.25
the answer is a add -19w and dont forget to do it on each side