The sum of two and the quotient of a number x and 5

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.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Ithink i know it but i want to be sure so can you me out ?