I need help with this quick

16 more than the product of 5 and p

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought