Astore sells four-packs of permanent markers in assorted colors for $3.19 per pack. all spiral-bound notebooks, whether wide-ruled or college-ruled, sell for $1.20 each. cleo buys x packs of markers, y wide-ruled notebooks, and z college-ruled notebooks. the store charges a 6% sales tax on cleo’s total bill. which expression represents the amount cleo must pay after taxes?

() *0.06

Step-by-step explanation:

Cleo buys x packs of markers, y wide-ruled notebooks, and z college-ruled notebooks.

All spiral-bound notebooks, whether wide-ruled or college-ruled, sell for $1.20 each. This gives expressions : 1.20y and 1.20z

A store sells four-packs of permanent markers in assorted colors for $3.19 per pack. Cleo buys x packs of markers so expression becomes :

(3.19 per pack)

As Cleo buys x packs of markers, y wide-ruled notebooks, and z college-ruled notebooks.

The combined expression becomes:

The store charges a 6% sales tax on Cleo’s total bill. So, expression becomes:

() *0.06

b.an increase in a causes b to decrease