22*360*24*60*60 = 684288000
To do a 12-page report, a word processor charges \(\$26.50\). His fee includes a \(\$2.50\) delivery charge. How much does he charge per page?
While Hugh was driving to work, he noticed a sign in a store window that said he could save \(\$120\) on a color TV that was specially discounted 20%. What was the original price of the set?
The average monthly salary of a staff of 6 people is \(\$3000\) . One person with monthly salary \(\$3000\) is transferred. Find the average salary of the remaining staff.
John opened a new bank account and deposited a \(\$215\) check. Then he made a few withdraws of \( \$40\), \(\$20\), and \( \$75\) before he deposited one more check for \(\$185\). How much is now in John’s bank account?
The telephone connection for a home computer costs \(\$1.25\) for every 3 minutes it is in use. How much does it cost for 21 minutes?