101 Art Destinations in the U.S: Where Art Lives Coast to Coast

101 Art Destinations in the U.S: Where Art Lives Coast to Coast

Matematika tolong Kaka
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tolong Kaka
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Jawaban:

d. 7 1/4

Penjelasan dengan langkah-langkah:

Bela = 15 1/2 thn= 15,5 thn

Ariska = 8,25 thn

= 15,5 - 8,25 = 7,25 thn (7 1/4)

Penjelasan dengan langkah-langkah:

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Diketahui:

  • Umur Bela = [tex]15\frac{1}{2}[/tex] tahun
  • Umur Arista = 8,25 tahun

Ditanya:

  • Selisih umur mereka = ...?

Jawab:

Selisih = Umur Bela - Umur Arista

[tex]15\dfrac{1}{2} - 8.25[/tex]

[tex]= \dfrac{2 \times 15 + 1}{2} - \dfrac{825}{100}[/tex]

[tex]= \dfrac{31}{2} - \dfrac{33}{4}[/tex]

[tex]= \dfrac{31 \times 2}{2 \times 2} - \dfrac{33}{4}[/tex]

[tex]= \dfrac{62}{4} - \dfrac{33}{4}[/tex]

[tex]= \dfrac{62 - 33}{4}[/tex]

[tex]= \dfrac{29}{4}[/tex]

[tex]= 7 \dfrac{1}{4}[/tex] ==> [Opsi B]

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