3. Reasoning Ben says that n = 5 is the solution of the equation 7n = 45. How can you check whether Ben is correct?
1 answer:
You might be interested in
When solving a system by graphing you need to see where the lines intersect.
Below is a picture of these lines graphed. The green line is y = x +4 and the blue line is y = 4x - 1
The red dot represents the intersection is about (1, 5)
The original point is: (1.667, 5.667)
Hope this helped!
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!