1. Take Mike's total from last month and add it up with the service fee. ($1423 + $7.50) 2. 1430.5 is your total, then multiply that by .5% for intrest fee. Intrest fee is $7.153 3. You take $1430.5 + $7.153 TOTAL. $1437.65
Hope this helped.
YOUR QUESTION
Mikes checking account pays 0.5% interest monthly and has a $7.50 service fee. If mikes balance last month was $1423, find the amount of credit or debit to his account after interest and service fee are both applied.
To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100.
45-32 = 13 / 32 *100= 40.625 round to the nearest percent is 41%