chelms185
chelms185 chelms185
  • 23-10-2017
  • Mathematics
contestada

The quotient of 9 times an unknown number and 16 is 81. What is the value of the unknown number?

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mathstudent55
mathstudent55 mathstudent55
  • 23-10-2017
Quotient means division.

(9x)/16 = 81

9x = 1296

x = 144

The unknown number is 144.
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SiobhanSullivan
SiobhanSullivan SiobhanSullivan
  • 23-10-2017
9 * x * 16 = 81
divide both sides by 9
x * 16 = 9
divide both sides by 16
x = 0.5625
double check the answer
9 * 0.5625 * 16 = 81?
yes
Answer Link

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