Karen works $6 an hour. A total of 25% of her salary is deducted for insurance and taxes. She is trying to save $450 for a new car stereo. Write an equation that represents how many hours Karen has to work to bring home $450 if she saves all of her earnings

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.