Mathematics: Ajar contains 5 times as many yellow marbles as red marbles, when 12 yellow marbles are removed, there are twice as many yellow marbles red marbles in the jar. how many yellow marbles were originally in the jar?

Ajar contains 5 times as many yellow marbles as red

Ответ:

kadenbaker4347

14.03.2022

Let r represent the number of red marbles in the jar. The problem statement tells us ...
5r -12 = 2r
3r = 12 . . . . . add 12-2r
r = 12/3 = 4

The number of yellow marbles originally in the jar is 5*4 = 20.

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Ответ:

donnafranks2003

04.04.2020

Mathematics

but why

Step-by-step explanation:

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Ajar contains 5 times as many yellow marbles as red marbles, when 12 yellow marbles are removed, there are twice as many yellow marbles red marbles in the jar. how many yellow marbles were originally in the jar?

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