Question

Product of 3 and thrice a number is 81. The number is ______.​

Answer 1

Step-by-step explanation:

3×3x=81

9x=81

x=81/9

x=9

Answer 2

xyz = 81 ——————(1)

and, x+y+z = 31 ——————-(2)

Factors of 81 are :- 1, 3, 9, 27, 81

(1,3,27)(1,9,9)(1,1,81)(3,3,9)……

Only the possible case that fits in the Question is for :—

1 + 3 + 27 = 31

1*3*27 =81