Question

Mary spent a third of her weekly allowance playing arcade games. She spent$4.32 on candy. Write an expression for how much money Mary has now.

Answer 1

$\frac{1}{3} \times x = 4.32 \\ x = 4.32 \div \frac{1}{3} \\ x = 12.96 \\ y = \frac{2}{3} \times x \\ y = \frac{2}{3} \times 12.96 \\ y = 8.64$
I hope this is what you were looking for

Answer 2

Answer with explanation:

Let weekly allowance of Mary = $ a

Expenditure of Mary

→Spent a third of her weekly allowance playing arcade games.

→ $ 4.32 is spent on Candy.

⇒Writing the expression for amount of money Mary has

 Let b be the amount of Money left with Mary after the expenditure.

    $\Rightarrow b=a -(\frac{a}{3}+4.32)\\\\\Rightarrow b=a -\frac{a}{3}-4.32\\\\\Rightarrow b=\frac{2a}{3}-4.32$