The table shows the ingredients used in a medicine. if all the decimals were rounded to the nearest whole percent, would this table be in comparing the amount of each ingredient? explain
a. yes; substance b would still be the largest part of the medicine.
b. no; three of the percentages would round to 19%.
c. no; three of the percentages would round to 20%.
d. no; two of the percentages would round to 20%.

I provided the following answer in a similar question that I answered earlier: 

Not really. Lets say you have 19.8% of x ingredient, 20.7% of y ingredient, 30.6% of m ingredient ad 28.9% of k ingredient. For this medicine, the values would be rounded of to 20%, 21%, 31% and 29%which adds up to 101%. So by rounding of to he nearest whole percent, you get a total percentage of more than 100%. This would be seen in the other medicines used in 'the table'. The fact that the total percentage for each one would add up to different values each time and not be constant makes the comparison invalid because the conditions being compared would be different. 

You have failed to provide the actual table, so I tried to do my best to come up with example figures to help you answer the question using the figures you have

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

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