zadanie 1 CP=? ms=5 mr=20 zadanie 2 cp=15 ms=3 mr=? zadanie 3 cp=30 ms=x mr= x + 10

1 . Cp=? Cp= ms/mr * 100% Cp = 5/20*100% Cp=25% 2. mr=? mr=ms*100%/Cp mr=3*100%/15 mr=20 3. cp=ms/mr*100 ms=cp*mr:100 x=30*(x+10):100 x=0,3(x+10) x=0,3x+3 x-0,3x=3 0,7x=3 /:0,7 x=3/0,7 x=30/7 ms=4i2/7 ms=30/7 mr=30/7+10 mr=14i2/7

zadanie 1 CP=? ms=5 mr=20 cp=ms/mr*100 cp=5/20*100 cp=0,25*100 cp=25 zadanie 2 cp=15 ms=3 mr=? cp=ms/mr*100 mr=ms/cp*100 mr=3/15*100 mr=0,2*100 mr=20 zadanie 3 cp=30 ms=x mr= x + 10 cp=ms/mr*100 ms=cp*mr:100 x=30*(x+10):100 x=0,3(x+10) x=0,3x+3 x-0,3x=3 0,7x=3 /:0,7 x=3/0,7 x=30/7 ms=4i2/7 ms=30/7 mr=30/7+10 mr=14i2/7