The first term of the equation represents the amount of money Mr. Gomez spent in apples, knowing he bought 2 pounds of apples and each pound costs 1.2. In total he spent 2.4 in apples.
The second term represents what he spent in oranges. We do not know how much oranges he bought, represented by X, but what we do know is the price per pound, what is 1.2
The total he spent between oranges and apples is 4.5