Ok so first what you gotta do is carry the 1 to the 7 which makes 8 minus 1 is 7 so your answer is D
The correct answer is <span>1 and 1/2
Hope I helped</span>
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!
It's c (48)
because if you divide all of them its 3
10 degrees is in a 90 degree angle
90-10 =80
use sin
sin(80)=9/x
get x alone
x=9/sin(80)