teacupsu1p11ff8 teacupsu1p11ff8

07-01-2018
Mathematics

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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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angelpinkbluep26n93 angelpinkbluep26n93

07-01-2018

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

Hence Kelly cycled (11y+16) miles

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