Find four consecutive odd integers whose sum is -112.
Eustasia opens her piggy bank and finds that it contains only dimes and quarters. If she has 35 coins altogether that have a total value of $5.15, how many of each type of coin has she sold?
After school, Ralph works from 3:00 to 8:00 installing fence posts on his uncle's farm. He takes an hour break from 5:30-6:30 when his aunt serves dinner. Lacking fuel, he installs two fewer fence posts per hour before dinner than he does after dinner. If Ralph installs a total of 47 fence posts, at what rate does he install fence posts after dinner?