Question
Four boys, Oliver, Ahmad, Asher and Michael saved some money. Ahmad's savings was 311 of the total savings of Oliver, Asher and Michael. Oliver's savings was 20% of the total savings. Asher's savings was 13 of the total savings of Ahmad and Michael. If Ahmad's savings was $165, how much less was Oliver's savings than the total of the other three boys?
4 m

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Four boys, Oliver, Ahmad, Asher and Michael saved some money. Ahmad's savings was 311 of the total savings of Oliver, Asher and Michael. Oliver's savings was 20% of the total savings. Asher's savings was 13 of the total savings of Ahmad and Michael. If Ahmad's savings was $165, how much less was Oliver's savings than the total of the other three boys?