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Mathematics, 24.11.2020 18:40 memeE15

A group of 19 people (adults and students) went to a museum. Each adult paid $9 and each student paid $4. All together the group paid $111. Write a system of equations to find the
number of adults, a, and the number of students, s, that went to the museum.
HELP IM IN A TEST

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A group of 19 people (adults and students) went to a museum. Each adult paid $9 and each student pa...

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