Mathematics: If a/4 = b/7, what is the value of a-b/b ?

If a/4 = b/7, what is the value of a-b/b ?

Ответ:

savannadutton8577

15.03.2022

Consider this option:
1. to simplify given expression (a-b)/b:
$\frac{a-b}{b}= \frac{a}{b}-1;$
2. to rewrite given expression a/4=b/7:
$\frac{a}{b} = \frac{4}{7};$
3. to substitute a/b into the simplified expression:
$\frac{a}{b} -1= \frac{4}{7} -1=- \frac{3}{7};$

-3/7

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Ответ:

cheetah810

31.08.2021

Mathematics

Idk tell someone else

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If a/4 = b/7, what is the value of a-b/b ?

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