Please do Q no. 12,14 and 15!!
I’ll brainlist you.
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Step-by-step explanation:
12)l=23/4 cm
b=23/8 cm
P=2(23/4+23/8)
=2×69/8
=69/4 cm
14)Total amount of tea=37/2 kg
amount in one pack=3/4 kg
No of packs=37/2÷3/4
=74/3
=24+2/3 u
=24 packs
Amount of tea left =2/3×3/4
=1/2 kg
15) Amount of cake Simi's son ate=2/5
Amount left=3/5
Amount of cake Simi ate=1/3×3/5
=1/5
Amount remaining now=2/5
Amount of cake Simi's brother ate=1/5×2/5
=2/25
Total amount of cake eaten=2/5+1/5+2/25
=17/25
Amount of cake remaining =8/25
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