Eva earns $16 dollars for every 4 hours of dog walking. We already know that half of 32 is 16, so we know that Eva just needs 16 more dollars to get to $32. If she makes $16 every 4 hours, and needs to make $16 more, she needs to work another 4 hours.
Susan needs to walk a total distance of 1/2 of a mile. She has walked 1/8 of a mile so far. How much further does she have to go? Simplify the fraction if possible.
