Percentage calculation problems


Assignment:

The minimums daily values (MDV’s) for certain food are given. They are based on a 2,000 calorie per day diet. Find decimal and factional notation for the percent notation in each sentence.

a). 1 ounce of Tostitos provides 9% of the MDV of fat

b). ½ cup of Campbell’s New England clam chowder provides 6% of the MDV of iron.

Identify the rate, base, and amount in each statement or question. Do not solve the exercise at this point.

150 is 75% of what number?

In a shipment of 750 parts, 75 were found to defective. What percent of the parts were faulty?

Solve each of the following application.

Ms. Jordan has been given a loan of $2,500 for 1 year. If the interest charged is $275, what is the interest rate on the loan?

A school had 900 students at the start of a school year. If there is an enrollment increase of 7% by the beginning of the next yea, what is the new enrollment?

A virus scanning program is checking every file for viruses. It has completed checking 40% for the files in 300 seconds. How long should it take to check all the files?

Gasoline accounts for 85% of the motor fuel consumed in the United States every day. If 8.882 thousand barrels (bbl) of motor fuel is consumed each day, how much gasoline is consumed each day in the United States? Round to the nearest barrel.

Yi Chen made a 6,400 investment at the beginning of a year. By the end of the year, the value of the investment had decreased by 8.2% . What was its value at the end of the year?

Provide complete and step by step solution for the question and show calculations and use formulas.

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Mathematics: Percentage calculation problems
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