CPM Homework Help : CC2 Problem 8-37

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8-37.

Simplify each expression.

$\frac { 12 } { 5 } \div \frac { 7 } { 10 }$

Hint (a):
Remember, when you divide by a fraction it is the same as multiplying by its reciprocal.
Solution (a):
$\frac{12}{5}\left(\frac{10}{7}\right)$
Answer (a):
$3 \frac{3}{7}$

$\frac { 9 } { 4 } \div ( - \frac { 1 } { 3 } )$
Hint (b):
See part (a).
Solution (b):
$\frac{9}{4}\left(-\frac{3}{1}\right)$
Answer (b):
$-6\frac{3}{4}$

$- \frac { 3 } { 5 } \div ( - \frac { 1 } { 6 } )$
Hint (c):
See part (a).
Answer (c):
$3\frac{3}{5}$

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