Evaluate the given numerical expression
(5+7 to the 3rd power divided by 7 times 7

There will be 7 people at a party. if each person will eat 5/8 of a pound of chicken, how many pounds of chicken are needed?

Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.