Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - Get Ready! - Page 1: 20



Work Step by Step

The first step is to divide the numerator by the denominator. $\frac{7}{15}$. Do long division. 15 does not go into 7, therefore place a 0 in the bracket and a decimal on top of the bracket. 7-0=7 Write a 0 next to the original 7 and carry it down. Now the number is 70. 15 goes into 70 by a factor of 4, which is 60. Subtract 60 from 70. The difference is 10. Carry another 0 down to the 10, now the number is 100. The closest 15 can get to 100 is by the factor of 6. $15\times6$=90. 100-90=10. Carry down a 0, which makes the number 100 again. This means the number 6 will repeat forever. The accurate number is 0.46666 continuing on forever. To approximate the answer, round up a decimal. Therefore the answer is $\approx0.47$.
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