Miriam currently has 30 marbles, but she used to have more. Miriam gave her brother 60 marbles, gave her sister twice that amount and gave her friend Savanna three times the amount she currently has. How many marbles did Miriam start with? Let's think step by step and output the final answer after "####".
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If Mariam remains with 30 marbles after giving her brother 60 marbles, she had 30+60 = <<30+60=90>>90 marbles.
Mariam's sister receives twice as many marbles as her brother, a total of 2*60 = <<2*60=120>>120 marbles.
The total number of marbles before giving any to her brother or sister is 120+90= <<120+90=210>>210
Savannah is to receive three times as many marbles as Mariam has to remain with, a total of 3*30 = <<3*30=90>>90 marbles.
Before giving out any marble, Mariam has 210+90 = <<210+90=300>>300 marbles.
#### 300
Miriam currently has 30 marbles, but she used to have more. Miriam gave her brother 60 marbles, gave her sister twice that amount and gave her friend Savanna three times the amount she currently has. How many marbles did Miriam start with?
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