Lesson eLearning

A seed contains protein, fat, and carbohydrates in the ratio 1 : 2 : 3. If the seed weighs 60 g, how many grams of fat does it contain? Express your answer to the nearest whole number.

medium 3 marks Class 5 · EVS · Seeds and Seeds
Answer
20

The correct answer is 20 — Step 5: Round to nearest whole number: 20 g.

Step-by-step solution

  1. Step 1: Sum the parts of the ratio: 1 + 2 + 3 = 6 parts.
  2. Step 2: Identify fat part: 2 parts.
  3. Step 3: Compute weight per part: 60 g ÷ 6 = 10 g per part.
  4. Step 4: Calculate fat weight: 2 parts × 10 g = 20 g.
  5. Step 5: Round to nearest whole number: 20 g.
Common mistake: Using 1 part as unit or mixing up numerator and denominator

Concept tested: Ratio calculation of seed nutrients

Published · How this solution was prepared and checked

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