Prosze o dokladne rozwiaznie tylko zadan 8 i 9 8 odp C
9 odp B
Zadanie 8:
12,50zł ------- 1 (lub 100%)
xzł ---------------- 1,22 (lub 122%)
x= 12,50*1,22
x=15,25zł
Zadanie 9:
320g ------- 1 (lub 100%)
x g ------------- 0,43 (lub 43%)
x = 320*0,43
x= 137,6g
360g-----------1 (lub 100%)
yg ---------- 0,48 (lub 48%)
y=360*0,48
y=172,8g
172,8-137,6=35,2g
8.9.
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Zadanie 8:
12,50zł ------- 1 (lub 100%)
xzł ---------------- 1,22 (lub 122%)
x= 12,50*1,22
x=15,25zł
Zadanie 9:
320g ------- 1 (lub 100%)
x g ------------- 0,43 (lub 43%)
x = 320*0,43
x= 137,6g
360g-----------1 (lub 100%)
yg ---------- 0,48 (lub 48%)
y=360*0,48
y=172,8g
172,8-137,6=35,2g
8.
9.