Question

Ratio 1 1
Illustration 30. A Photographer offered to supply 3 copies of a photograph for
Rs. 12 and 12 copies for Rs. 30 and he estimats that his profit would be Rs. 4 and Rs.
9 respectively. For what sum should be supply 39 copies in order to gain Rs. 18 as
profit.
12-4 - Rs. 8
1.
fenotories.​

Answer 1

Answer:

1 unit = 1 rs

100 unit = 120 rs

but he sells 80 unit @ 120 rs

one day :- 96 unit @ 120 rs

so, 96*X% = 120-96

=> 96*25% = 24

25% = answer

Step-by-step explanation:

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Answer 2

Answer:

25% is write answer if yes then please follow me and mark me as brainlist please