Question

10 x
--- = ---
3 81

Cât este x

Answer 1

10/3 = x/81
x=(81×10)/3
x=27×10
x=270

Answer 2

$\frac{10}{3} = \frac{x}{81} \\x = (10 \times 81) \div 3 = 810 \div 3 \\ x = 270 \\ \frac{10}{3} = \frac{270}{81}$