Ile procent liczby 25 to liczba:
A.1
B.2
C.3
D.4
E.11
PLZ fastem! ;D
a. x/100*25=1
x/100=1/25
25x=100
x=4
4%
b. x/100*25=2
x/100=2/25
25x=200
x=8
8%
c. x/100*25=3
x/100=3/25
25x=300
x=12
12%
d. x/100*25=4
x/100=4/25
25x=400
x=16
16%
e. x/100*25=11
x/100=11/25
25x=1100
x=44
44%
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a. x/100*25=1
x/100=1/25
25x=100
x=4
4%
b. x/100*25=2
x/100=2/25
25x=200
x=8
8%
c. x/100*25=3
x/100=3/25
25x=300
x=12
12%
d. x/100*25=4
x/100=4/25
25x=400
x=16
16%
e. x/100*25=11
x/100=11/25
25x=1100
x=44
44%