Question

Calculați:
a) trei pătrimi din 12,4 km
b) patru cincimi din 8100 lei
c) doua septimi din 560 kg

Va rogggggg​

Answer 1

a) 3/4×12,4km=3×3,1km=9,3km

b) 4/5×8100lei=4×1620lei=6480lei

c) 2/7×560kg=2×80kg=160kg

Answer 2

a) $\frac{3}{4}*12,4km=\frac{37,2}{4} =9,3km$

b)$\frac{4}{5} *8100lei=\frac{32400}{5}= 6480lei$

c)$\frac{2}{7} *560kg=\frac{1120}{7}= 160kg$