SOLUTION: Bill is 1.5 times Jane's age. In 7 years, the sum of their ages is 64. What is Bill's age now? Use substitution method. Available answers:
30
20
27
37
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Question 805227: Bill is 1.5 times Jane's age. In 7 years, the sum of their ages is 64. What is Bill's age now? Use substitution method. Available answers:
30
20
27
37
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Bill is 1.5 times Jane's age. In 7 years, the sum of their ages is 64. What is Bill's age now? Use substitution method.
z-------
Equations:
b = 1.5j
b+7 + j+7 = 64
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Substitute for "b" and solve for "j":
1.5j + 7 + j+7 = 64
2.5j + 14 = 64
2.5j = 50
j = 20 yrs (Jane's age now)
b = 1.5j = 30 years (Bill's age now)
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Cheers,
Stan H.
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Available answers:
30
20
27
37
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