Your credit card uses the unpaid-balance method to calculate finance charge. the periodic rate is 1.85%. the previous balance is $478.68, you made a payment of $210 and had a credit of $89.95. your new purchases are $38.50, $65.74, and $125.61. what is your new balance?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?