Question

Пли з решите уравнение 1.01+1.02×(d+50)=54

Answer 1

1,01 + 1,02 * (d + 50) = 54
1,01 + 1,02d + 51 = 54
1,02d = 54 - 1,01 - 51
1,02d = 1,99
d = 1,99 : 1,02
d = 199/102
d = 1 97/102