Tiger has a credit card with an APR of 14.25%. If she charges $900 of goods on her card, what is the estimated amount that Alyssa will pay in finance charges on her purchases? ​

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?