Mathematics, 15.11.2019 12:31 aweller3898

Someone !
at a party, the ratio of girls to boys is 5: 4. then, 18 boys join the party, and the ratio of boys to girls is 5: 4. compute the number of people originally at the party.

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Someone !
at a party, the ratio of girls to boys is 5: 4. then, 18 boys join the party, and...