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Write each of the following percentages as a decimal. (a) \(6.25 \%\) (b) \(3 \frac{3}{4} \%\) (c) \(\frac{7}{10} \%\)

Express each of the following percentages as a decimal. (a) \(8.75 \%\) (b) \(4 \frac{1}{8} \%\) (c) \(\frac{4}{5} \%\)

Suppose that your lab scores in a biology class were 61 out of 75 points in Lab 1,17 out of 20 points in Lab 2 , and 118 out of 150 in Lab 3. Compare your lab scores and rank them in order, from best to last.

There were four different sections of Financial Mathematics 101 offered last semester. In section \(\mathrm{A}, 31\) out of \(38 \mathrm{stu}-\) dents passed the class; in section \(\mathrm{B}, 47\) out of 56 students passed the class; in section C, 34 out of 45 students passed the class; and in section \(\mathrm{D}, 45\) out of 52 students passed the class. Compare the passing rates in each section and rank them from best to worst.

A 250 -piece puzzle is missing \(14 \%\) of its pieces from its box. How many pieces are in the box?

At the Happyville Mall, you buy a pair of earrings that are marked \$6.95. After sales tax, the bill was \(\$ 7.61 .\) What is the tax rate in Happyville (to the nearest tenth of a percent)?

For three consecutive years the tuition at Tasmania State University increased by \(10 \%, 15 \%,\) and \(10 \%,\) respectively. What was the overall percentage increase of tuition during the three-year period?

For three consecutive years the cost of gasoline increased by \(8 \%, 15 \%,\) and \(20 \%,\) respectively. What was the overall percentage increase of the cost of gasoline during the threeyear period?

A shoe store marks up the price of its shoes at \(120 \%\) over cost. A pair of shoes goes on sale for \(20 \%\) off and then goes on the clearance rack for an additional \(30 \%\) off. A customer walks in with a \(10 \%\) off coupon good on all clearance items and buys the shoes. Express the store's profit on these shoes as a percentage of the original cost.

Suppose you borrow \(\$ 875\) for a term of four years at simple interest and \(4.28 \%\) APR. How much is the total (principal plus interest) you must pay back on the loan?