At the market, joey buys 3 avocados for $0.40 each and 5 lemons for $0.40 each. the cashier in training rings up 3 × 0.40 and then 5 × 0.40 to get the total. the experienced cashier says to add the 3 plus 5 in his head and then ring up 8 × 0.40what property says that these two totals would be the same?