Answers

  • Brainly User
2015-12-04T13:01:02+05:30
D=500-c
d-b+c=455
500-c-b+c=455
b=45
a=240-b
a=240-45
a=195
d-b+c=455
c=215-a
d-45+215-a=455
d-45+215-195=455
d=470

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