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3.Berat beras seluruhnya = 25,25kg × 5 = 126,25 kg

3.=25,25×5
=126,25kg
4.=a.2/3+4/5=22/15-1/2=29/30
=b.2 4/5=14/5×2/6=28/30=14/15×4/1
=56/15
=c.4 3/4=19/4-1/2=17/4×2/3=17/6
5.=a.2/3×100%=66%
=3/4×100%=75%
=1 1/2=3/2×100%=150%
=7/8×100%=75%
=2/3;3/4;7/8;1 1/2
=b.4/8×100%=50%
=1/4×100%=25%
=7/8×100%=75%
=20%;1/4;4/8;7/8
=c.3 1/4=13/4×100%=325%
=13/15×100%=86%
=8/13×100%=61,5%
=30%;8/13;13/15;3 1/4

Maaf kalo salah