If d = 375 mi, and r = 50 mi/h what is the value of the time?
a. 75 mi
b. 7.5 mi
c. 7.5 h
d. 75 h

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.

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

How many square centimeters of wrapping paper will be used to wrap the shoe box?