5th Grade Science Question of the Day

Kaitlyn's class watched the teacher perform a demonstration in class today. She claimed that she could provide evidence that matter is conserved. She found the mass of sugar and a cup of water filled about 2/3 of the way. She let the sugar dissolve in the water and then found the mass again. The data table below shows her results.

The mass of the dissolved sugar and water is missing. Following the Law of Conservation of Matter, what should the mass of the two substances be?