Solve the Problem
-Let $x$ Represent the Number of Pounds of Apples Sold At

Solve the problem
-Let $x$ represent the number of pounds of apples sold at $\$ 1.2$ per pound, and let $y$ represent the total price paid for the apples. Write an equation for this situation. Then give the ordered pair with an $\mathrm{x}$ -value of 9 associated with this equation.

A) $\mathrm{x}=1.2+\mathrm{y} ;(9,7.80)$
B) $y=1.2 x ;(9,10.80)$
C) $y=1.2+x ;(9,10.20)$
D) $\mathrm{x}=1.2 \mathrm{y} ;(9,7.50)$