Tshirt=$10
pair of shoes=$10
candy=$1
$${\mathtt{dollar10}}{\mathtt{\,\small\textbf+\,}}{\mathtt{dollar10}}{\mathtt{\,\small\textbf+\,}}{\mathtt{dollar1}} = {\mathtt{dollar21}}$$
Overall, she does not have the money to buy what she wants. Not for the products, and if the state government she lives in is greedy, she also cannot pay the tax.
cuz $21(the total subtotal or total cost) is greater than $20 (the amount Holly has)
And for once, anon and I agree
Holly, youre one greedy girl!