tolong jawab pake cara

5. Novel Rohim = 4/5 × 45
= 4 × 9 = 36buku
Novel Wachid = 2/3 × 45
= 2 × 15 = 30buku
selisih = (36-30) = 6buku
jadi, novel yg dimiliki Rohim 6 buku lbh bayak daripada yg dimiliki oleh Wachid