Question
Four boys, Ryan, Peter, Jack and Fred saved some money. Peter's savings was 711 of the total savings of Ryan, Jack and Fred. Ryan's savings was 10% of the total savings. Jack's savings was 18 of the total savings of Peter and Fred. If Peter's savings was $945, how much less was Jack's savings than the total of the other three boys?
4 m

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Four boys, Ryan, Peter, Jack and Fred saved some money. Peter's savings was 711 of the total savings of Ryan, Jack and Fred. Ryan's savings was 10% of the total savings. Jack's savings was 18 of the total savings of Peter and Fred. If Peter's savings was $945, how much less was Jack's savings than the total of the other three boys?