Salma borrowed a total of 23,000 from two different banks to start a business. one bank charged the equivalent of 4% simple interest, and the other charged 0.5% interest. if the total interest after 3 years was 2550 , determine the amount borrowed from each bank.

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.