Introductory Problems #2
There are 25 people going on a trip and each van has a capacity of 7 people.
a) How many vans will be needed to transport all 25 people ?
b) How many people will be in each van ?
c) How many vans will be filled to capacity ?
d) What is the average number of people in each van ?
e) Must any van have 7 people in it ?
f) How many more people could fit in the vans that will be required ?
Everyone in class shakes hands with everyone else just once. How many handshakes occur ?
The capacity of an elevator is either 20 children or 15 adults. If 12 children are currently on the elevator ho many adults can still get on ?
There are eight more boys than girls in the high school math club. The club has a total number of 44 members. Hw many boys and how many girls are there ?
Farmer Brown had ducks and cows. One day she noticed that the animals had a total of 12 heads and 32 feet. How many of the animals were ducks and how many were cows ?
If you take a particular two-digit number, reverse the digits to make a second two-digit number, and add these two numbers together the sum will be 121. What is the original number ?