Sam's Fruit Cellar earns a $0.40 profit for each apple that it sells and a $0.40 profit for each banana that it sells. Which expressions show Sam's total profits from selling apples (a) and bananas (b)? Select two that apply. 0.40(a + b)
0.40a + 0.40b
0.40(ab)
0.80(ab)
0.80(a + b)
0.40 + a + 0.40 + b