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s = V × t
= 960 × 2,25 jam
= 2160 km
Pesawat kedua :
t =
=
= 1,5 jam
2. Total buku :
= 15 × 16
= 240 buku
Anak yang hadir = 12
Buku yang diterima tiap anak yang hadir :
=
= 20 buku