The cost of 8 package of salt , each weight 400 grams ,is rs.36. what will be the cost of 20 packets if each packet weighs 1 kg
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8 packet price = 36
1 packet price = 4.5 rs
4.5 rs for 400 gram
x rs for 1000 gram
4.5/x = 400/1000
x = 45/4 = 11.25 rs
fir 1 pack of 1kg
20 pack of 1 kg = 20×11.25 = 225 rs
1 packet price = 4.5 rs
4.5 rs for 400 gram
x rs for 1000 gram
4.5/x = 400/1000
x = 45/4 = 11.25 rs
fir 1 pack of 1kg
20 pack of 1 kg = 20×11.25 = 225 rs
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