Jens parents have given her an interest $100 to buy a new pair of wrenches she plans to pay back the loan with monthly with monthly payments of $20 each function rule for the parents function represents the number of payments Angela has made BPB after how many payments have paid back more than half the world explain yourself 60 purpose the loan amount were $120 and the monthly payment for $15 right in room for the new balance function and use it to determine how long it would take Jenna to pay off the loan