Mathematics, 20.10.2019 02:10 ninaaforever

Each 7th grader brings $5 for charity, while each 8th grader brings in $8. the total collected is $1380. there are 10 more 8th graders than 7th graders. how many students are in each grade?

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Each 7th grader brings $5 for charity, while each 8th grader brings in $8. the total collected is $1...