Respuesta :

wegnerkolmp2741o

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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