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Bunuel
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J + S = 75
S = 2J - 15

J + 2J - 15 = 75
3J = 90
J = 30

J + S = 75
30 + S = 75
S = 45

Answer = D

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s=2j-15
s+j=75
2j-15+j=75
3j=90
j=30
s=45

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Bunuel
Mrs. Miller has two dogs, Jackie and Stella, who weigh a total of 75 pounds. If Stella weighs 15 pounds less than twice Jackie's weight, how much does Stella weigh?

A. 30
B. 35
C. 40
D. 45
E. 75

given
j+s=75
s=2j-15
so
j= 30
and s= 45
IMO D
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