4d, which means that whatever d is, times it by 4 and you will recieve the answer.
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Renee is 16. Dana is 8. Four years ago, Renee was 12 and Dana was 4 (12 is three times 4) The algebra is R = 2D R-4 = 3 (D-4) Substitute the first value in the second: 2D - 4 = 3 (D-4) -4 = D-12 8 = D
1 1/3 = 4/3 * 3 = 4 Learn your fractions. :D
d@ 4
It is simply 7d which means 7 times d
The answer depends on the divisor. For the divisor d, the fraction is (3d+4)/d for d > 4