Explanation

since 60 mph is ‘a mile a minute’ or 15 miles per 15 minutes

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.

If \(6{(x + 1)^2} - 4 = 50\) , what are the values of x that satisfy this equation?

Factorizing \( 6{x^2} + 11x + 4\), we get

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?

What will the month's finance charge be on an unpaid balance of \(\$450\) if the ANNUAL finance rate is 14.4%?