Question

1). 30% din x= 12, x% din 60 =45. 40% din 1200 =x. 2). 35% din x =700 aflati 53% din x. va rog ajutati-ma

Answer 1

1)30% •x=12
30/100•x=12
3/10•x=12
x=40

x%•60=45
x/100•60=45
6x/10=45
3x/5=45
x=75

40%•1200=x
40/100•1200=x
40•12=x
x=40•12
x=480

2)35%•x=700
35/100•x=700
7/20•x=700
x=2000

53%•x=2000
53/100•x=2000
x=200000/53