Question

a bag of flour weighs 2.5 kilograms.
about how much does the bag of flour weigh in pounds?
round to the nearest tenth.
1 kilogram ≈ 2.2 pounds
1 pound ≈ 0.45 kilograms

Explanation:

Step1: Use conversion factor

Multiply kg by 2.2 lb/kg.
$2.5 \times 2.2$

Step2: Calculate the product

Compute the multiplication result.
$2.5 \times 2.2 = 5.5$

Answer:

5.5 lb