Soal SMP · Soal cerita · Kesulitan 4/5

Siti has a certain amount of money. She spends 1/3 of it on books, 1/4 of the remainder on stationery, and has $30 left. How much money did she have initially?

A.$60
B.$90
C.$120
D.$72

Kunci jawaban & pembahasan

Jawaban: $60

Let total = x. After books: 2x/3. After stationery: 3/4 × 2x/3 = x/2 left. So x/2 = 30 → x = 60.

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