Question

Aflați x din propozitia 12 supra 20 =x supra 35​

Answer 1

12/20 = x/35

20•x=12•35

20•x=420

x=420÷20

x=21

Answer 2

$\frac{12}{20} = \frac{x}{35} \\ x = \frac{35 \times 12}{ 20} \\ x = \frac{420}{20} \\ x = 21$