agar rasio menjadi 1 : 1, maka: novel misteri = novel drama 30 + x = 42 x = 12 buku...............opsi B
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Hidayahhn16
Jumlah novel=72 buku novel drama : novel misteri=7 : 5=7+5=12 novel drama= 7/12 x 72=42 novel misteri= 5/12 x 72= 30 jadi Reni harus membeli novel misteri sebanyak 12 buku smoga membantu
novel drama = (7/(7+5)) x 72
= 42 buku
novel misteri = (5/(7+5)) x 72
= 30 buku
agar rasio menjadi 1 : 1, maka:
novel misteri = novel drama
30 + x = 42
x = 12 buku...............opsi B
novel drama : novel misteri=7 : 5=7+5=12
novel drama= 7/12 x 72=42
novel misteri= 5/12 x 72= 30
jadi Reni harus membeli novel misteri sebanyak 12 buku
smoga membantu