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Need help with 13, I don’t get it :/
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5 votes
Need help with 13,
I don’t get it :/

Need help with 13, I don’t get it :/-example-1
User Tommy Adey
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5.9k points

1 Answer

6 votes
USE SUBSTITUTION FOR 3A+4S=57, 2A+8S=86 to find adult=$7 student=$9
CHECK STEP: 3(7)+4(9)=57
21+36=57 TRUE

User Sebastian Dine
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