Substitute to Find the Value of the Expression $x$ Pounds of Bananas Is

Substitute to find the value of the expression.
-In one store, bananas cost 60 cents per pound. The cost, in dollars, of $x$ pounds of bananas is $0.6 x$ . What is the cost of 1.8 pounds of bananas?

A) $\$ 1.08$
B) $\$ 0.30$
C) $\$ 1.28$
D) $\$ 3.00$