x-16.4=23.8
x=23.8+16.4
x=40.2
b)
y-28.95=3.6
y=3.6+28.95
y=32.55
c)
a-45=86.7
a=86.7+45
a=131.7
1 q (kwintal) = 100kg
2,3q = 230kg ziemniaków
27,5q = 2750kg marchwi
12,7 kg kapusty
230kg+2750kg+12,7kg= 2992,7 kg
