a) 4800 m x3% = 144 m
b) 700 l 3% =21 l
c) 24000 lei x3%= 720 lei
d) 600 km x3% =18 km
e) 4100 kg x3% = 123 kg
5)
a) 300 x15%= 45
b) 240 x15%=36
c) 80 x15%= 12
d) 1500 x15%=225
e)440 x15%= 66
6)
Calculati suma dintre 20% din 180 si 45% din 240
180x20%+240x45%=36+108=144
7)
a) 2100 x3%=63
b) 5000x17% =850
c) 475x 32% =152
d) 250x124% =310
e) 180 x85% = 153
f) 92000 x213% =195960