Mathematics: what is the value of a:b??

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lanaiheart7

10.01.2021 •

Mathematics

$\frac{a-3b}{a+2b} = \frac{4}{3}$

what is the value of a:b??

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Ответ:

milkshakegrande101

16.03.2022

Mathematics

a:b = -17:1

Step-by-step explanation:

Given

$\frac{a-3b}{a+2b} = \frac{4}{3}$

Required

Find a:b

$\frac{a-3b}{a+2b} = \frac{4}{3}$

Cross Multiply

3(a-3b) = 4(a+2b)

Open brackets

3a - 9b = 4a + 8b

Collect Like Terms

3a - 4a = 8b+9b

-a = 17b

Divide through by -b

$\frac{-a}{-b} = \frac{17b}{-b}$

$\frac{a}{b} = \frac{17}{-1}$

$\frac{a}{b} = \frac{-17}{1}$

Represent as a ratio

a:b = -17:1

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Ответ:

ashtor1943

20.09.2020

Mathematics

Since 125% = 1.25, you convert that to a fraction, 1 1/4. You would have more than enough for the souvenir.

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