Question

Answer and explanation.

Answer 1

a)

`4x`

b)

`4x + x = t`

c)

`4x + x = t \\ 4(11) + 11 = t \\ 44 + 11 = t \\ 55 = t \\ t = 55`

d)

`4x + x = 40 \\ 5x = 40 \\ x = (40)/(5) \\ x = 8`

Answer 2

A:Write an expression for Polly's age