September 2018 1 23 Report

1.Po pitnastoprocentowej obnizce towar kosztuje 27,30 zl . oblicz cene towaru przed obnizka .

2.a)64% wynosi 16

b) 75% wynosi 9

c) 33⅓% wynosi 17

d) 33⅓ : 100

3.a)7,5% z 40 kg

b) 80% z 250 km

c) `128% z 4km

d) 33⅓% z 510 t

e) 6 i jedna czwarta z 64 dni

f) 44% z 2 300zl


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