if the cost of 15 shirts in 885 ₹ find the cost of 20 such shirts what is the method of this sum direct proportion and inversion proportion
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if, cost of 15 shirts is = Rs. 885
therefore, cost of 1 shirt is = Rs. 885/15
= Rs. 59
therefore, cost of 20 shirts is = Rs. 59*20
= Rs. 1180 Ans.
This sum is in direct proportion.
Thanks.
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