23. Set up a proportion and use it to solve for x.
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use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

answer: there are 453.592 grams in a pound.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.