If Fred’s age now is three times what it was 12 years ago, how old is Fred 12 years ago?
1 answer:
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x^2 + 9.5^2 = 11^2
x^2 + 90.25 = 121
x^2 = 30.75
x^2 =
x = 5.54cm
rounded: 5.5cm
answer: D
x^2 + 9.5^2 = 11^2
x^2 + 90.25 = 121
x^2 = 30.75
x^2 =
x = 5.54cm
rounded: 5.5cm
answer: D