Write an integer to represent the following situation:A loss of 20 yards

What is the volume of this square pyramid?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.