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artcher [175]
2 years ago
9

Bill is 15 years older than Paul. Paul is 7 years older than half Milo's age. The sum of all three ages is 85. How old is Bill?

Mathematics
2 answers:
katrin2010 [14]2 years ago
6 0

Answer:

Step-by-step explanation:

Let Milo's age = x

Paul's \ age =\dfrac{1}{2}x+7\\\\\\Bill's \ age = \dfrac{1}{2}x + 7  +15 =\dfrac{1}{2}x+22

Sum of all three ages = 85

x +\dfrac{1}{2}x+7 +\dfrac{1}{2}x+22 = 85\\x +\dfrac{1}{2}x+\dfrac{1}{2}x+7+22 =85\\2x+29=85\\     2x  = 85-29\\\\     2x  = 56\\\\      x = \dfrac{56}{2}\\\\x =28 \ years\\\\\\Bill's \  age =\dfrac{1}{2}x+22 =\dfrac{1}{2}*28+22\\\\\\= 14+22\\

Bill's age = 36 years

Katen [24]2 years ago
6 0

Answer:

Bill is 36

Step-by-step explanation:

Bill, Paul, and Milo are represented as b, p, m

b = 15+p; p = 1/2m + 7; b + p + m = 85

b = 36, m = 28, p = 21

Therefore Bill is 36 y/o

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