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ThataAmaral
@ThataAmaral
January 2020
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A metade do numero de figurinhas de um envelope, mais a terça parte do numero dessas figurinhas é igual a 60. Quantas figurinhas há no envelope?
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Sejam as figurinhas = x
(¹/₂)x + (¹/₃)x = 60
MMC = 6
3x + 2x = 360
5x = 360
x = 72
Existem 72 figurinhas no envelope.
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Comentários
F=figurinhas
f/2+f/3=60
3f/6+2f/6=360/6
3f+2f=360
5f=360
f=360/5=72 figurinhas
0 votes
Thanks 2
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Verified answer
Sejam as figurinhas = x(¹/₂)x + (¹/₃)x = 60
MMC = 6
3x + 2x = 360
5x = 360
x = 72
Existem 72 figurinhas no envelope.
f/2+f/3=60
3f/6+2f/6=360/6
3f+2f=360
5f=360
f=360/5=72 figurinhas