15x = 500-50
15x = 450
x = 450/15
x =30
Thus, x is equal to 30.
SOLUTION:
We are to find the rate of inflation in the given question;
The formula to be used is;
Inflation rate =


CONCLUSION
The inflation rate of CPI that increased from 208 to 221 to the nearest tenth of a percentage is 6.3%.
Answer:
7 milligrams
Step-by-step explanation:
The amount of discount is is 35.1