The savings is (0.22 - 0.11) = 0.11 per minute. For 16 minutes that is 16*$0.11 = $1.76.
The Peak Rate Of A Phone Company Is $.22 Per Minute, And The Off-peak Rate Is $.11 Per Minute. Find The Savings For A 16-minute Phone Call If It Was Made During Off-peak Time As Opposed To Peak Time. Round To The Nearest Hundredth?