1. 120% z 180 to ?
100% - 180
120% - x
x= 120•180/100
x= 12•18
x= 216
120% z 180 to 216.
180% z 120 to
100% - 120
180% - x
x = 180•120/100
x= 18•12.
x= 216
216 = 216
Prawda.
2. 20% z 36 to
100% - 36
20% - x
x = 20•36/100
x= 2•36/10
x= 72/10
x= 7.2
40% z 18 to
100% - 18
40% - x
x= 40•18/100
x = 4•18/10
x = 72/10
x = 7.2
7.2 = 7.2
Prawda.
Liczę na naj :)