The ratio of the number of seats and bagels to the number of plain bagel Sheba is one third

1. The ratio of the number of seats and bagels = the number of plain bagel sheba

=> 1/3

Thus this simple shows like this

=> 1/3 : 2/3 (1/3 is the number of seats and bagels and 2/3 is the number of plaing bagel sheba)

=> in decimal

=> 0.33 : 0.67

=> 0.33 + 0.67 = 1.00

Thus, the number of plain bagel sheba Is higher than the number of seats and bagel.