price of Quantity in grams, with cost pre Kilogram

Mathematics
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What is the cost of 240g of Lentils @ a cost of $0.90 pre Kilogram?
What is the cost of 35g of Oil @ a cost of $1.20 pre Kilogram?
What is the cost of 50g of Cereal @ a cost of $0.12 pre Kilogram?

Jul 18th, 2015

Thank you for the opportunity to help you with your question!

i.cost of 240g of Lentils @0.90 dollars per kilogram

240 x 0.9/1000

=0.216 dollars


ii.cost of 35 g of Oil@1.2 dollars per kilogram

35 x 1.2/1000

=0.042 dollars

iii cost of 50g of cereal@acost  of 0.12 dollars per kilogram

50 x 0.12/1000

=0.006 dollars

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 18th, 2015

Thanks, I get it now.

Jul 18th, 2015

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