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Mathematics, 17.10.2019 22:30 izzy0627
Agroup of children and their parents went to the skating rink. there were a total of 30 people in the group, the cost for each adult was $12 and the cost for each child was $8. the total amount paid was $280. let a represent the number of adults and c represent the number of children.
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Agroup of children and their parents went to the skating rink. there were a total of 30 people in th...
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