Chapter 4 - An Introduction to Functions - 4-5 Writing a Function Rule - Mixed Review - Page 267: 56

$\frac{21}{16}$

Work Step by Step

We could simplify the equation by first get the fraction result equals to$\frac{7}{10}$x$\frac{15}{8}$=$\frac{105}{80}$, then we can find the common facor between 105 and 80 is 5 ,105=5x21, 80=5x16 . By simplfing common factor , we get$\frac{21}{16}$ for the final answer

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