Mia borrowed some money from her friend in order to help buy a new video game system. Mia agreed to pay back her friend $8 per week and originally borrowed $80. Write an equation for L, in terms of t, representing the amount Mia owes her friend after t weeks.

Answer 1

After t weeks, Mia would have paid back 8t dollars to her friend. Thus, the amount she owes her friend after t weeks can be represented by the equation:

L = 80 - 8t