Question

A shopkeeper gains 20% while buying the goods and 30% while selling them find his total gain percent​

Answer 1

Answer:

56%

Step-by-step explanation:

A shopkeeper gains 20% while buying the goods

He gains 30% while selling them

So, Total profit = $a+b+\frac{ab}{100}$

where a and b are gain %

Substitute the values

Total profit = $20+30+\frac{20\times 30}{100}$

Total profit = $20+30+6$

Total profit = $56$

Hence his total gain percent​ is 56%

Answer 2

Answer:

56

Step-by-step explanation:

Let the 20 percent be A and 30 percent be B

so, according to the question

there is formula to solve this question q

written below

total gain = a+b + ab/100

total gain = 20+30+20*30/100

= 20+30+2*3

= 50+6 =56%

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