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3 years ago

15

Please help me with this math question

1 answer:

Nostrana [21]3 years ago

4 0

Total=110=D+J+K

D=(2/3)J

K=2J

...a...

If J=x,

D=(2/3)x ⟨— i

K=2x ⟨— ii

...b...

T=D+J+K

110=(2/3)x+x+2x ⟨— b

...c...

110=2x/3+3x/3+6x/3

110=11x/3

330=11x

330/11=x

30=x

D=(2/3)x

D=(2/3)(30)

D=20

Dennis received 20 marbles ⟨— c

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