Mr. lee drove 8 miles from his house to pakside. parkside i 4 miles south of springfield. from parkside, he drove 3 miles to springdale .then he drove 20 miles from springdale to brookville. how far did mr. lee drive in all , from his house to brookville ? identify the extra or missing information .solve i possible.
answer: 990 lbs
set up the proportion, then cross multiply and solve for the unknown value (pounds).
1/4 of a pound or 0.25
1/2 divided by 2= 0.25 or 1/4