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

### 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:
 Mary alikusanya mara mbili ya mabulinge ya rangi nyekundu aliyokusanya Jenny, jumla ya mabulinge ya rangi nyekundu 2*30 = 60.
Anie alikusanya mabulinge ya rangi nyekundu 20 zaidi ya Mary, jumla ya mabulinge ya rangi nyekundu 60+20 = 80.
Jumla ya mabulinge ya rangi nyekundu ni 80+60+30 = 170.
Anie alikusanya mara mbili ya mabulinge ya rangi buluu aliyokusanya Jenny, jumla ya mabulinge ya rangi buluu 2*25 = 50.
Mary alikusanya nusu ya mabulinge ya rangi buluu aliyokusanya Anie, jumla ya mabulinge ya rangi buluu 1/2*50 = 25.
Jumla ya mabulinge ya rangi buluu ni 25+50+25 = 100.