Multiple choice A box contains 42 marbles. Find the total number of marbles in 16 boxes. 252 582 672 994 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Total marbles = marbles per box × number of boxes = 42 × 16 = 672. Using the distributive property: 42 × 16 = 42 × (10 + 6) = 420 + 252 = 672. This tests multiplication in a word problem context.