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2014-05-02T16:17:07+03:00
2014-05-02T16:17:08+03:00
A) 10% din x=40
10/100 *x=40
1/10= 40/x
x=10*40
x=400

b)25% din x= 900
25/100 *x=900
1/4 =900/x
x=4*900
x=3600

c)80% din x= 1040
80/100*x=1040
4/5 =1040/x
x=5*1040 /4
x=5*260
x=1300

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