Question

trasforma in procente:a)7pe20;b)3pe25;c)0,84

Answer 1

a) 7/20-se amplifica cu 5 =35/100=35%
b)3/25-se amplifica cu 4=12/100=12%
c)0,84=84/100=84%

Answer 2

a)
20.....100%
7........x%

x=(100*7)/20 = 35%

b)
25.....100%
3........y%

y=(100*3)/25=12%

c)
0.84= 84 pe 100

100......100%
84....z%

z=(100*84)/100=84%