Question

4 cutii cu bomboane cantaresc 280 kg.cate kg vor cantari 7 cutii de bomboane de acelasi fel?

Answer 1

280:4=70kg (1 cutie )
70 x 7 = 490 kg (7 cuti)

Answer 2

4 cutii cu bomboane .... 280 g
7 cutii cu bomboane .... ???? g

$\dfrac{280 \times 7}{4} = \dfrac{1960}{4} = 490 \: g$