At the grocery store, tina counts eight cartons with 6 eggs each, forty cartons with 12 eggs each, and twenty cartons with 18 eggs each. which expression represents the problem? (8 x 6) + (40 x 12) + (20 x 18) (8 + 6) x (40 + 12) x (20 + 18) (68 + 6) x (68 + 12) x (68 + 18) (68 x 6) + (68 x 12) + (68 x 18)