Chapter 1: Problem 32
Evaluate the expression. $$3(2.7 \div 0.9)-5$$
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Writing You decide to buy two rings from an outdoor vendor. One ring costs $$ 10.89 .\( The other ring costs $$ 12.48 . The sales tax is \)8 \% .\( The vendor uses a calculator to obtain the price including sales tax for both rings and gets $$ 24.37 .\) What mistake did the vendor make?
Kudzu is a vine native to Japan. Kudzu can grow a foot per day during the summer months. Write an expression that shows how much a 20 -foot kudzu vine can grow during August.
You are shopping for school supplies. A store is offering a \(10 \%\) discount on binders and a \(20 \%\) discount on packages of paper. You want to buy 5 binders originally marked $$ 2.50\( each and 10 packages of paper originally marked $$ 1.30 each. a. Write an expression that shows how much you will save after the discounts. b. Evaluate the expression. c. Writing If you have $$ 25\) to spend on supplies, how much money will you have left over? Explain how you arrived at your answer.
The temperature of the water in a swimming pool is \(78^{\circ}\) Fahrenheit. What is the temperature of the water in degrees Celsius? Use the formula \(C=\frac{5}{9}(F-32)\), where \(F\) is the Fahrenheit temperature and \(C\) is the Celsius temperature.
Evaluate the expression. $$5+8 \cdot 2-4$$
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