5 lb box of detergent costs 3.50 (20 loads)? 15 lb box costs 10 how much will you save per nouns with...

15 lb box costs 10
how much will you save per nouns with 15lb box
Answers:    It's not a significant convert in price per nouns.
15lbs will give you 60 loads.
beside the 5lbs box each nouns costs you 0.18 and with the 15lbs box respectively load comes out to 0.17 (both numbers are rounded)
you are using too much soap. Use partly of what the manufacturer recommend.