Resposta :
Explicação passo a passo:
1 200 - 1 000 =200 aumento de 200
1 000 >>>>>>>>>>>>>>>>>100
200 >>>>>>>>>>>>>>>>>>>x
1 000/200 = 100/x
1 000 * x = 200 * 100
1 000x = 20 000
x = 20 000/ 1 000
corta 3 zeros
x = 20%>>>>>resposta
Explicação passo a passo:
1 200 - 1 000 =200 aumento de 200
1 000 >>>>>>>>>>>>>>>>>100
200 >>>>>>>>>>>>>>>>>>>x
1 000/200 = 100/x
1 000 * x = 200 * 100
1 000x = 20 000
x = 20 000/ 1 000
corta 3 zeros
x = 20%>>>>>resposta