Answer:
Step-by-step explanation:

Answer:
Selling price=rs.600.
Profit of rs=100.
Step-by-step explanation:
C.P=500; profit%=20%
S.P.=100+profit%×C.P/100
S.P=120×500/100
=rs.600
S.P>C.P
Profit S.P-C.P
600-500=100
he gained for rs.100.
Answer:

Step-by-step explanation:
The statement "-78 IS GREATER THAN OR EQUAL TO - 8 +5n" mathematically can be written as

Add 8:

Divide by 5:
or

I’ll look at your recent posts and see if it’s within my abilities to answer them