👤

na teraz bardzo prosze o pomoc​

Na Teraz Bardzo Prosze O Pomoc class=

Odpowiedź :

1)

[tex]10\%=10\cdot0,01=0,1\\\\10\% \ z \ 30=0,1\cdot30=\boxed3\\\\10\% \ z \ 150=0,1\cdot150=\boxed{15}\\\\10\% \ z \ 7=0,1\cdot7=\boxed{0,7}[/tex]

2)

[tex]25\%=25\cdot0,01=0,25\\\\25\% \ z \ 40=0,25\cdot40=\boxed{10}\\\\25\% \ z \ 1600=0,25\cdot1600=\boxed{400}\\\\25\% \ z \ 4=0,25\cdot4=\boxed1[/tex]

3)

[tex]50\%=50\cdot0,01=0,5\\\\50\% \ z \ 26=0,5\cdot26=\boxed{13}\\\\50\% \ z \ 470=0,5\cdot470=\boxed{235}\\\\50\% \ z \ 5=0,5\cdot5=\boxed{2,5}[/tex]

4)

[tex]5\%=5\cdot0,01=0,05\\\\5\% \ z \ 50=0,05\cdot50=\boxed{2,5}\\\\5\% \ z \ 120=0,05\cdot120=\boxed6\\\\5\% \ z \ 2000=0,05\cdot2000=\boxed{100}[/tex]

5)

[tex]150\%=150\cdot0,01=1,5\\\\150\% \ z \ 70=1,5\cdot70=\boxed{105}\\\\150\% \ z \ 100=1,5\cdot100=\boxed{150}\\\\150\% \ z \ 20=1,5\cdot20=\boxed{30}[/tex]

6)

[tex]200\%=200\cdot0,01=2\\\\200\% \ z \ 30=2\cdot30=\boxed{60}\\\\200\% \ z \ 700=2\cdot700=\boxed{1400}\\\\200\% \ z \ 2=2\cdot2=\boxed4[/tex]

Szczegółowe wyjaśnienie:

10% z 30 = 3

z 150 = 15

z 7 = 0,7

25% z 40 = 10

z 1600 = 400

z 4 = 1

50% z 26 = 13

z 470 = 235

z 5 = 2,5

5% z 50 = 2,5

z 120 = 6

z 2000 = 100

150% z 70 = 105

z 100 = 150

z 20 = 30

200% z 30 = 60

z 700 = 1400

z 2 = 4