Question

-0,5c если c=- 48,с=1,6, с=2,4 СРОЧНО :-)

Answer 1

(4/5с+5с/4+2)*4с=
(16/20с+25/20с+40с/20с)*4с=
(41+40с)/20с*4c=
(41+40c)/5=
(41+40*(-1))=
(41-40)/5=1/5

Answer 2

1. -0,5*(-48)=24. 2. -0,5*1,6=-0,8. 3. -0,5*2,4=-1,2