Answer:
90
Step-by-step explanation:
why my answer has to be 20 characters long? :)
15% of x = 21
Set up proportions.
15/100 = 21/x
Cross multiply the numbers (15 by x, 21 by 100).
Divide 2100 by 15x to get x.
2100/15 = 140
X is 140.
-2 is the negative solution to the problem
Answer: i think the answer is A.
Step-by-step explanation:
