The statement is true. X= all real numbers
Answer:
-40
Step-by-step explanation:
Since x is 10 you need to multiply 10*-4 which equals -40.
Answer:
See explanation below.
Step-by-step explanation:
Let's say,
represents the sale price of radio.
Then the marked price of the radio is 
The cost price of the radio is 
The discount is simply 25% because the radio is being sold at 25% less then the marked price.
The gain percent is given as:

The radio is being sold at 12.5% gain.
Best Regards!
Answer:
0.3kg
Step-by-step explanation:
Since the weight of 120 books is 36kg, the weight per book will be:
= 36kg / 120
= 0.3kg