Question
Four boys, Archie, Pierre, Sam and Jack saved some money. Pierre's savings was 29 of the total savings of Archie, Sam and Jack. Archie's savings was 10% of the total savings. Sam's savings was 27 of the total savings of Pierre and Jack. If Pierre's savings was $720, how much less was Archie's savings than the total of the other three boys?
4 m

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Four boys, Archie, Pierre, Sam and Jack saved some money. Pierre's savings was 29 of the total savings of Archie, Sam and Jack. Archie's savings was 10% of the total savings. Sam's savings was 27 of the total savings of Pierre and Jack. If Pierre's savings was $720, how much less was Archie's savings than the total of the other three boys?