Mwenye jibu anipe hapa

Mwenye jibu anipe hapa

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I love it..

Ni kweli niliandika 15. Baada kuoneshwa makosa nikafanya marekebisho. Bby kuna ubaya hapo ?
 
let rubber ……… a
person...………......b
beans...………….....c
so a+a+a=30
3a=30
a=10
next 2b+a=20
but a=10
2b+10=20
b=5
2c+b=13
2c + 5=13
c=4
so
a+b+c=10+5+4
=19
Angalia picha vizuri
 
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