Friday, December 6, 2013

UWIANO A2

Ikiwa 2:7 = 10:W; Tafuta thamani ya W.

Suluhu

2   =  10
7        W

2 x W = 7 x 10

2W = 70


2W = 70
 2        2

W = 35

Hivyo thamani ya W ni 35


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