shadi8510 shadi8510
  • 28-01-2015
  • Mathematics
Answered

The quotient of 9 times an unknown number and 16 is 81.



Answer :

JamieBoss
JamieBoss JamieBoss
  • 28-01-2015
Represent the unknown number with x
9x / 16 = 81
Multiply both sides by 16
9x = 1296
Divide both sides by 9
x = 144
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