Answer:
....we decompose 48,32 and 16 into products of prime factor
48= 2*24
24 =2*12
12=2*6
6=2*3
3=3*1
48 = 2^4*3
32 =2*16
16=2*8
8=2*4
4=2*2
2=2*1
32 = 2^5
16=2*8
8=2*4
4=2*2
2=2*1
16 = 2^4
gcd(48;32;16)=2^4=16
she can make 16 bouquets without having any flowers left
Explanation: