swaleha2004 swaleha2004

23-02-2020
Mathematics

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Each marble bag sold by Justin's Marble Company contains 4 purple marbles for every 5 red marbles. If a bag has 20 purple marbles, how many red marbles does it contain?

Respuesta :

Harjosh Harjosh

23-02-2020

4:5 = 20:x

Since 20/4 is 5, we know the ratio was multiplied by 5 so the bag contains 25 red marbles.

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