Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
Mary and her two friends came up with the idea of collecting marbles each day for their play on weekends. From Monday to Friday, Mary collected twice as many red marbles as Jenny and half the number of blue marbles collected by Anie, who collected 20 more red marbles than Mary and twice the number of blue marbles Jenny collected. If Jenny collected 30 red marbles and 25 blue marbles, what's the total number of blue marbles collected by the friends together?

### Response:
If Mary collected twice the number of red marbles collected by Jenny, and Jenny collected 30 red marbles, then Mary collected 2*30 = <<60=60>>60 red marbles.
Anie collected 20 more red marbles than Mary, a total of 60+20 = 80 red marbles.
The total number of red marbles is 60+80+30 = <<60+80+30=170>>170
If Anie collected twice the number of blue marbles collected by Jenny, then Anie collected 2*25 = <<2*25=50>>50 blue marbles.
If Mary collected half the number of blue marbles collected by Anie, then Mary collected 1/2*50 = 25 blue marbles.
The total number of blue marbles collected by the three is 25+50+25 = <<25+50+25=100>>100
#### 100