Asked by Clair

Jackie goes to the store to buy some meat. The meat costs $5.80/kg. How many grams of meat could she buy for $10?

is there an easy way to do this? I did a few others like it, but kg and grams is not as easy

Answers

Answered by Reiny
The metric system is amazingly easy.
In this case all you have to remember that the prefix kilo means 1000
(e.g. 1 km = 1000 m, 1 kg = 1000 grams)

so for $10 Jackie can buy 10/5.8 kg
= 1.724 kg
= 1742 grams

In the US, a similar question might be

"Jackie goes to the store to buy some meat. The meat costs $3.80 per pound. How many ounces of meat could she buy for $10? "
- a much more complicated question.
Answered by Clair
Thank you. Why don't we use just one system, it would make things so easy!
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