SOLUTION: The sum of 3 numbers is 91. The second number is twice as big as the first. The third number is twice as big as the second. What are the values?
Question 991904: The sum of 3 numbers is 91. The second number is twice as big as the first. The third number is twice as big as the second. What are the values? Answer by macston(5194) (Show Source):
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F=first number; S=second number=2F; T=third number=2S=4F
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F+S+T=91
F+2F+4F=91
7F=91
F=13
S=2F=2(13)=26
T=4F=4(13)=52
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ANSWER: The three numbers are 13, 26, and 52
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CHECK:
F+S+T=91
13+26+52=91
91=91