Answer:
20.25 kg
Step-by-step explanation:
Set up a proportion, where x is the number of kg in the barbell
[tex]\frac{1}{0.45}[/tex] = [tex]\frac{45}{x}[/tex]
Cross multiply:
x = 45(0.45)
x = 20.25
So, there are 20.25 kg in the barbell
Answer:
the barbell weighs 20.25 kg
Step-by-step explanation:
It's quite easy to find the answer! All you have to do is multiply .45 kg by 45!
so the equation would be:
0.45 x 45 = 20.25
hope this helps you!! <3
