Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 4 - Decimals - Test - Page 326: 24

Answer

$3.79 per foot (rounded)

Work Step by Step

Price of 6.5 ft long chain is dollar 24.64. Price of chain of 1 ft = Total cost of chain of 6.5 ft $\div$ 6.5 ft = 24.64 $\div$ 6.5 = $\frac{2464}{100}\div\frac{65}{10}$ (convert decimal to fractions) = $\frac{2464}{100}\times\frac{10}{65}$ (division of fraction is multiplication with the reciprocal of second fraction ) = $\frac{1232}{5}\times\frac{1}{65}$ =$\frac{1232}{325}$ = 3.790 Now to round to the nearest cent we keep 3.79 and look the thousandths place it is $\leq$ 4. So the asnwer is 3.79 Answer: dollar 3.79 per foot
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