Does anyone understand this (photo attached)
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An adult and 5 children rent skates. it costs $4 per adult and a total of 16 Dollar...
[tex] \sf \: Equation > 4+5x=16[/tex]
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It costs Mikael $4 to make a bike bag and he sells each for 5 Dollar. He has made a profit of 16 Dollar so far...
[tex] \tt \: Equation > (5 - 4)x = 16[/tex]
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It was 16°C, it began falling 4°C per hour until it reached 5°C...
[tex] \bf \: Equation > 16 - 4x = 5[/tex]