morrhady morrhady

16-06-2020
Mathematics

contestada

I will mark it as brainliest whoever has the clearest explanation

I will mark it as brainliest whoever has the clearest explanation class=

Respuesta :

marlinhadryelle1919 marlinhadryelle1919

16-06-2020

Answer:

b = 320

Step-by-step explanation:

a + b = 880

1 - 4/7 = 3/7 (restant A)

1 - 1/4 = 3/4 (restant B)

(3/7) . a = (3/4) . b

a = (7/4) . b

a + b = 880

(7/4) . b + b = 880

7b + 4b = 880 . 4

11 b = 880 . 4

b = 320

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