a boy weighs 31.5 kilograms. how much does he weigh in pounds? use the following conversion: 1 kilogram is…
a boy weighs 31.5 kilograms. how much does he weigh in pounds? use the following conversion: 1 kilogram is 2.2 pounds.
Answer
Explanation:
Step1: Set up conversion formula
We know that weight in pounds = weight in kilograms×2.2. Here, the weight in kilograms is 31.5. So the formula is $31.5\times2.2$.
Step2: Perform multiplication
$31.5\times2.2=(31 + 0.5)\times2.2=31\times2.2+0.5\times2.2=68.2 + 1.1=69.3$.
Answer:
69.3