1.2017-363=1654 ani
1654:100=16 rest 54
Deci au trecut 16 secole si jumatate.
2.(2x+5):5-4=1
(2x+5):5=5
2x+5=25
2x=25-5
2x=20
x=10
3. 100%-26%=74%
[tex] \dfrac{74}{100}*350=259 kg [/tex]
Deci s-au scos spre vanzare 259 kg mirodenii.
4. [tex] 1-\dfrac{1}{4} = \dfrac{3}{4} [/tex]
[tex] \dfrac{1}{2} * \dfrac{3}{4}= \dfrac{3}{8} [/tex]
Fie x lungimea drumului.
Avem:
[tex]x- \dfrac{x}{4} - \dfrac{3x}{8} =25[/tex]
[tex] \dfrac{8x-2x-3x}{8} =25[/tex]
[tex] \dfrac{3x}{8} =25[/tex]
3x=8*25
3x=200
x=67 km