Answer:
Step-by-step explanation:
Covert 21 out of 175 into percentage:
We need percentage
[tex]\\ \bull\sf\dashrightarrow \dfrac{21}{175}\times 100[/tex]
[tex]\\ \bull\sf\dashrightarrow \dfrac{21}{7}\times 4[/tex]
[tex]\\ \bull\sf\dashrightarrow 3(4)[/tex]
[tex]\\ \bull\sf\dashrightarrow 12\%[/tex]