Answer:
Total number of bracelets Brianna have are 12 .
Step-by-step explanation:
Let us assume that the total numbers of the bracelets be x .
As given
Brianna has 4 pink bracelets.
One third of all her bracelets are pink .
Than the equation becomes

Simplify the above
x = 4 × 3
x = 12
Therefore the total number of bracelets Brianna have are 12 .
Answer:
x=23
Step-by-step explanation:
Answer:
1. B-555
2. -532
Step-by-step explanation
1. Since Ana is 555 years younger you would have to find the difference between their ages, since Ana is younger you would subtract her age, B, from her sister's, Beatriz age, who is 555 years older.
2. If Beatriz is 23 and Ana is 555 years younger you just subtract 555 from 23, which is negative 532