madisonm31110 madisonm31110

19-01-2022
Mathematics

contestada

In a jar, 25% of the marbles are red. If there are 45 red marbles in the jar, how many marbles are in the jar altogether?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

19-01-2022

Answer:

There are 180 marbles in the jar

Step-by-step explanation:

Let x = number of marbles in the jar

x * 25% = number of red marbles

x * .25 = 45

Divide each side by .25

x *.25/.25 = 45/.25

x =180

There are 180 marbles in the jar

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