Using empirical rule,
Upper range of 68%=15+5=20
Lower range =10
Range=10
Where the picture of the triangle?
Since the area is length times width, the area is 5*(2x+7)
Answer:
20% Profit percentage
Step-by-step explanation:
Since Raghu bought 80 oranges at 3Rs each, his total expense (E) is:

Now for his earnings, he sold 30% of the oranges for 5Rs each and 70% for 3Rs each. Therefore, his earnings are represented by the following expression:

His profit percentage (%) can be found as follows:
