Mathematics, 20.01.2021 22:10, dooderh
David and Jim like to race each other for best times. In April, the ratio of David winning to Jim was 5 : 9. In August, the ratio changed to 10 : 4. If David won 15 races in April, how many races did each brother win in August?
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David and Jim like to race each other for best times. In April, the ratio of David winning to Jim wa...
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