Question

помогите решить 3 номер,4и5

Answer 1

4. б) 2.65(х-3.06)=4.24
2.65х-8.109=4.24
2.65х=4.24+8.109
2.65х=12.349
х=4.66 
а) y-4*7/10=5*8/15
y=83/15+47/10 
y=(166+141)/30
y=307/30
5. 1/36+1/3+1/6.

Answer 2

5. 1/36+1/3+1/6.