Select the correct answer.Plain oatmeal boxes are arranged in 6 rows each having 7 boxes. Raisin oatmeal boxes are arranged in 6 rows having 5 boxes each. Andrea knows that she can regroup and rewrite the number sentence so that she won't have to multiply by 12. To do this, she needs to find the total for each kind of oatmeal separately. Let's help her. First we need to find the number of boxes of plain oatmeal. Look at the array and choose the number sentence needed to find the number of boxes of plain oatmeal. 6 × 5 = ? 6 7 = ? 6 5 = ? 6 × 7 = ?