2. Kervins is $28 in debt because he borrowed money to buy food after school. He plans to pay back his debt at a rate of $7 per week. Which of the following equations best describes how many weeks it will take Kervins to pay off his debt?(a) 28 ÷7 = 4(b) - 28÷ - 7 = - 4(c) - 28 ÷- 7 = 4(d) - 28÷7 =-4