Please help me guys an article bought for $125 was sold for $175. the percentage profit was
a 28.6
b 40
c 50
d 71.0
please examine it step by step ​

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.