Answer: 15 is 300% of 5 .
___________________________________________________
Explanation:
_____________________
Method 1):
_______________________________
→ 15 = (x/100) * 5 ;
___________________
Divide each side by "5" ;
__________________________
→ 15 / 5 = [(x/100) * 5 ] / 5 ;
_________________________________________
to get:
_________________________________________
→ 3 = (x /100) ;
_________________________________________
Multiple EACH side by 100 ;
_________________________________________
→ 3 * 100 = (x /100) * 100 ;
_________________________________________
→ 300 = x ; ↔ x = 300 .
_____________________________________________
Answer: 15 is 300 % of 5 .
______________________________________________________
Method 2) "15 is what percent of 5?" is the same answer as:
_____________________________
"5 is what percent of 15?
______________________
5 * (x/100) = 15 ?
_________________________
We know that 5 * 3 = 15 ;
__________________________
So, x/100 = 3 ;
_____________________
→ x = 3 * 100 = 300 .
____________________________
Answer: 300 % .
________________________________
