Respuesta :

 the 8 longest flowers would be :
1 at 8 1/2 = 8 1/2 total

2 at 7 3/4 = 7 3/4 *2 = 15 1/2 total
5 at 7 1/2 =  7 1/2 * 5 = 37 1/2 total

total them together:

8 1/2 + 15 1/2 + 37 1/2 = 61 1/2 inches

the answer is B