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Rina = 90.000 + 10.000 = 100.000
*Rina
100.000 - (2 buah buku tulis - 3 buah pensil)
= 100.000 - (2(2.800) + 3(2.300)
= 100.000 - (5.600 + 6.900)
= 100.000 - 12.500
= 87.500
*Aldo
100.000 - mainan
100.000 - 74.500
=25.500
Jadi, sisa uang Aldo dan Rina adalah 25.500 dan 87.500.
Jawabannya D