Soal SMP · Soal cerita · Kesulitan 3/5
Dinda has a certain amount of money. She spends 1/3 of it on books and 1/4 of the remainder on a pen. If she has Rp45,000 left, how much money did she have at first?
- A.Rp90,000
- B.Rp80,000
- C.Rp75,000
- D.Rp100,000
Kunci jawaban & pembahasan
Jawaban: Rp90,000
After books, 2/3 remains; after pen, 3/4 of that remains: (2/3)×(3/4)=1/2 of original = 45,000, so original = 90,000.
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