Math, asked by sarahenglert291, 9 months ago

Please do Q no. 12,14 and 15!!
I’ll brainlist you.

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Answers

Answered by Farhan555
3

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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