Answer:
A:Write an expression for Polly's age
a)
[tex]4x[/tex]
b)
[tex]4x + x = t[/tex]
c)
[tex]4x + x = t \\ 4(11) + 11 = t \\ 44 + 11 = t \\ 55 = t \\ t = 55[/tex]
d)
[tex]4x + x = 40 \\ 5x = 40 \\ x = \frac{40}{5} \\ x = 8[/tex]
