Problem-Solving and Data AnalysisEasyGrams of salt in a tin
Problem-Solving and Data Analysis practice question
A 400-gram tin of beans contains 5% salt by mass. How many grams of salt are in the tin?
Answer: 20
5% of 400 is 20.
Common wrong answers
- If you answered 2
- 2 slips a decimal place.
- If you answered 80
- 80 uses 20%.
- If you answered 380
- 380 is the mass that is not salt.
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