You needed to graph the percent water loss each day instead of the total amount of water lost each day because the original plants could have been of different mass in the beginning. You can't compare the amount of water because the plants are not identical, so these numbers aren't proportional by default.
example:
Plant A is 24 g.
Plant B is 36 g.
Both plants lose 10 g of water.
Plant A becomes 14 g.
Plant B becomes 26 g.
Therefore,
Plant A lost 10/24, while Plant B lost 10/36. They didn't actually lose the same amount proportionally, so you have to change them so that you can compare the data accurately.
Hope that made sense!
Calculating the percent water loss each day allows for a relative comparison between days, accounting for any differences in the initial amount of water. Graphing the total amount of water lost each day might skew the data if, for example, one day had a higher initial amount of water. By using percent loss, you can directly compare the efficiency of water loss each day relative to the starting amount.
You calculate the total amount of whatever it is that you want to find the silicon abundance for. Then you calculate the amount f silicon in that. Then percentage abundance of silicon = 100*amount of silicon/total amount Typically the amount would be measured as the mass.
To calculate the total interest paid on your mortgage, you can use the formula: Total Interest Total Payments - Loan Amount. This means you subtract the initial loan amount from the total amount you will pay over the life of the loan. This will give you the total interest paid.
The simple way to calculate percentage is to divide the given amount by the total amount and then multiply the answer by 100 to get the percentage of the given amount in respect of the total amount
To calculate a pro rata investment, divide the amount of money you are investing by the total amount being invested, then multiply that fraction by the total value of the investment. This will give you the proportional amount of the investment that you own.
par = (total outstanding or portfolio - delequent amount)/ total portfolio or total outstanding
To calculate the percentage being paid, divide the amount being paid by the total amount possible, then multiply the result by 100. The formula is: (Amount Paid / Total Amount) × 100 = Percentage Paid. For example, if you are paid $50 out of a total $200, the calculation would be (50 / 200) × 100 = 25%.
To calculate capital in a balance sheet, you subtract total liabilities from total assets. This gives you the amount of capital or equity that the company has.
To calculate sales tax on a total amount, first determine the sales tax rate, which is usually expressed as a percentage. Multiply the total amount by the sales tax rate (in decimal form). For example, if the total amount is $100 and the sales tax rate is 7%, you would calculate $100 x 0.07 = $7. Finally, add the sales tax amount to the original total to get the final amount.
To calculate the amount of caffeine in coffee, you can multiply the number of milligrams of caffeine per ounce by the total number of ounces of coffee consumed.
Net worth = Total Assets - Total liabilities It is the remaining amount which is net worth for owners.
To calculate the amount of cash dividends paid by a company, multiply the dividend per share by the total number of shares outstanding.