CPM Homework Help : GB8I Problem 7-32

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Home > GB8I > Chapter 7 Unit 3 > Lesson CC3: 7.1.3 > Problem 7-32

7-32.

Simplify each expression.

$\frac{2}{3}\left(0.8\right)$
Hint (a):
Multiply and reduce. Notice that $0.8$ can be converted into a fraction.
More Help (a):
$\left(\frac{2}{3}\right)\left(\frac{8}{10}\right)$
Answer (a):
$\frac{8}{15}$

$\frac { 4 } { 3 } \cdot \frac { 3 } { 7 }$
Hint (b):
Multiply and reduce. Notice that since the two fractions are being multiplied the $3$ in the numerator and the $3$ in the denominator make a Giant One.
More Help (b):
$\left(\frac{4}{1}\right)\left(\frac{1}{7}\right)$

$-\frac{5}{6}\cdot\frac{4}{7}$
Hint (c):
Multiply and reduce.

$- \frac { 4 } { 5 } \cdot ( - 1 \frac { 1 } { 3 } )$
Hint (d):
Multiply and reduce. Converting the second fraction into a fraction greater than one may prove to be more helpful.
Answer (d):
$1\frac{1}{15}$

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