SOLUTION: At Jerry's birth, his mother was 27 years old. At what age will Jerry be 40 percent of his mother's age

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Question 993473: At Jerry's birth, his mother was 27 years old. At what age will Jerry be 40 percent of his mother's age
Answer by macston(5194) About Me  (Show Source):
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x=age at which Jerry will be 40% mothers age
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0.4(27+x)=x
10.8+0.4x=x
10.8=0.6x
18=x
ANSWER: When Jerry is 18 he will be 40% of his mother's age.
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CHECK:
When Jerry is 18, his mother will be 27+18=45.
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0.40(45)=18
18=18