Answer:
20 lbs
Explanation:
If 4.5 = 22.5% then we need to find what 1% equals. We do this by dividing 4.5 by 22.5.
4.5/22.5 = 0.2
0.2 lbs = 1%
To get 100% multiply 1% by 100.
Whatever you do to one side you have to do to the other.
20 = 100%
He plans on buying 20 pounds of meat for the month.