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Kelly leaves her home and cycles 4y miles south, then cycles (3y+9) miles east. Finally, she cycles (4y+7) miles south and reaches her school. How far does Kelly cycles?
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Kelly leaves her home and cycles 4y miles south, then cycles (3y+9) miles east. Finally, she cycles (4y+7) miles south and reaches her school. How far does Kelly cycles?

User Fhucho
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4 votes
Total dist Kelly cycled
= 4y + (3y+9) + (4y+7)
= 4y + 3y + 4y + 9 + 7
= 11y + 16

Hence Kelly cycled (11y+16) miles
User EJAg
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