bewellplus.gsu.edu
beccagunderson beccagunderson
  • 18-10-2016
  • Mathematics
Answered

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 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 adaliabrooke
  • 20-09-2018

I took the test the answer is 8

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