Question

Charlie has x state quarters. Ty has 3 more quarters than Charlie has. Vinnie has 2 times as many quarters as Ty has. Write and simplify an expression to show how many state quarters they have in all.

Answer 1

$x-Charie's\ state\ quarters\\x+3-Ty's\ state\ quarters\\2(x+3)-Vinnie's\ state\ quarters\\\\x+x+3+2(x+3)=\\2x+3+2x+6=\\4x+9\\\\They\ have\ 4x+9\ state\ quarters$