Answer:
C
Step-by-step explanation:
i took test
B
2(x)+4=16
2(6)+4=16
12+4=16
3x +x = 28
4x = 28
x = 28/4 = 7
7x3 = 21
Sari has 21 erasers
I miss my niece
it's the meaning of that hope U get it ...