1)
450- 100%
76,5- x%
x=76,5×100 = 76,5×10=76,5×2= 8,5×2
450 45 9 1
x=0,17
2)
250- 100%
67,5- x%
x=67,5×100=67,5×10=67,5×2=13,5×2
250 25 5 1
x=0,27
1)
450- 100%
76,5- x%
x=76,5×100 = 76,5×10=76,5×2= 8,5×2
450 45 9 1
x=0,17
2)
250- 100%
67,5- x%
x=67,5×100=67,5×10=67,5×2=13,5×2
250 25 5 1
x=0,27