Mathematics, 23.08.2019 00:30 LunaShiner
During the first semester, the ratio of the number of students in art class to the number of students in gym class classes was 2: 7. however, the art classes were really small and the gym classes were large, so the principal changed students classes for second semester. in second semester the ratio number of students in art class to the number of students in gym class was 5: 4. if 75 students were in art class second semester how many were in art class and gym class first semester?
Answers: 2
Mathematics, 21.06.2019 16:30, emilyanneK2540
Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done
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Mathematics, 21.06.2019 19:00, Kookiexperfect9420
How is working backward similar to solving an equation?
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