100 Parks, 5,000 Ideas: Where to Go, When to Go, What to See, What to Do

100 Parks, 5,000 Ideas: Where to Go, When to Go, What to See, What to Do

Matematika Jika 5 buah buku tulis harganya Rp 25.000,- . Maka harga 3 lusin buku tulis adalah​

Jika 5 buah buku tulis harganya Rp 25.000,- . Maka harga 3 lusin buku tulis adalah​

5 Buah Buku Tulis = Rp. 25.000

3 Lusin (36 Buah) Buku Tulis = Rp. ???

Jawab:

[tex]\sf\frac{5}{36} \xcancel = \frac{25.000}{x} [/tex]

[tex]\sf5x = 36 \times 25.000[/tex]

[tex]\sf5x = 900.000[/tex]

[tex]\sf x = \frac{900.000}{5} [/tex]

[tex]\sf x = 180.000[/tex]

[tex] \\ [/tex]

:))

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