Why had general lee left atlanta and savannah

Jen bought 5 bags of beads. She counts 45 wooden beads and 21 glass beads in each bag. Which number sentences can be used to find the total number of beads in the bags? Choose exactly two answers that are correct.  A.g = 5 × (45 + 21)  B.g = (5 × 45) + 21  C.g = (5 × 45) + (5 × 21)  D.g = 10 × (45 + 21)

The answer to the question is a.