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camila152511
@camila152511
October 2020
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se eu tivesse o dobbro da quantia que possuo, com mias 40,00 eu poderia comprar um casaco que custa 160,00. qual é o valor dessa quantia?
a, 40,00 b, 60,00 c, 20,00 d, 30,00
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AntoniLAD
Verified answer
X+2x+40=160
3x=160-40
x=120/2
x=60
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viviancabral
Vamos chamar essa quantia de "x".
O dobro mais 40,00 dá pra comprar o casaco de 160,00 fica :
2x + 40 = 160
2x = 160 - 40
2x = 120
x = 120 / 2
x = 60
Pronto, era só isso. ^^
1 votes
Thanks 1
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Lista de comentários
Verified answer
X+2x+40=1603x=160-40
x=120/2
x=60
O dobro mais 40,00 dá pra comprar o casaco de 160,00 fica :
2x + 40 = 160
2x = 160 - 40
2x = 120
x = 120 / 2
x = 60
Pronto, era só isso. ^^