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Mathematics
Jimenez
14 June, 18:58
D+d+d+d=120 what is d
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Margaret Downs
14 June, 19:03
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The answer to D should be 30.
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Laney Lang
14 June, 19:28
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Remember you can do anything to an equation as long as you do it to both sides
assumind D=d
d+d+d+d=120
4d=120
divide both sides by 4
4d/4=120/4
d (4/4) = 30
d (1) = 30
d=30
d=30
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