Liz has two gardens and wants to build a fence around each. She wants to buy all the fencing at one time. The diagram below shows her two gardens

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.