Znajdź liczbę, której
a) 60% to 600
b)13% to 65
c)0.5% to 14
d) 120% to 960
e)110% to 231
f)5% to 4
g)25% to 30
h)15% to 3
i)2,5% to 12,5
bardzo prosze o szybką odp ma to wyglądac jakos tak
110% to 231
10% to 231:11+=21
100% to 21x10 = 210
DAJE NAJ !!!
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a) 0,6x = 600
x=600/0,6
x = 1000
b) 0,13x = 65
x = 65/0,13
x=500
c)0,005x = 14
x = 14/0,005
x = 2800
d)1,2x = 960
x = 960/1.2
x = 800
e) 1,1x = 231
x = 231/1,1
x = 210
f) 0,05x = 4
x = 4/0,05
x = 80
g) 0,25x = 30
x = 30/0,25
x = 120
h) 0,15x = 3
x = 3/0,15
x = 20
i)0,025x = 12,5
x = 12,5/0,025
x = 500