Mia is three years older than twice her sister brooks age. The sum of their ages is less than 30. What is the greatest Brooke could be

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18-10-2016
Mathematics

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Mia is three years older than twice her sister brooks age. The sum of their ages is less than 30. What is the greatest Brooke could be

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Bossmann30013 Bossmann30013 · Answer 1 · 2016-10-18T20:38:05+02:00

Bossmann30013 Bossmann30013

18-10-2016

Let Mia's age be m and her sister's age be x m=2x+3 2x+3+x=less than 30 For greatest age we need to take largest number. 3x+3=29 x=26/3 But the options are all in whole numbers, so if 3x+3=27 then x =8

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adaliabrooke adaliabrooke · Answer 2 · 2018-09-21T05:25:16+02:00

adaliabrooke adaliabrooke

21-09-2018

I took the test the answer is 8

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