Asked by Stephanie
Mona earns 3 times as much as an actuary as she does as a writer. Her total income is $40,000 more than her brother. He earns half as much as Mona does as an actuary. What is Mona's salary as an actuary?
Answers
Answered by
Reiny
Mona's salary as writer --- x
salary as actuary -- 3x
brother's salary = 3x/2
"Her total income is $40,000 more than her brother."
---> x + 3x = 3x/2 + 40000
4x - 1.5x = 40000
2.5x = 40000
x = 16000
Mona as writer --- 16000
Mona as actuary --- 48000
brother -----24000
All information checks
salary as actuary -- 3x
brother's salary = 3x/2
"Her total income is $40,000 more than her brother."
---> x + 3x = 3x/2 + 40000
4x - 1.5x = 40000
2.5x = 40000
x = 16000
Mona as writer --- 16000
Mona as actuary --- 48000
brother -----24000
All information checks
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