Question

FOR AN INSTALLMENT LOAN, A FORMULA IS USED TO FIND THE TOTAL AMOUNT OF INSTALLMENT PAYMENTS. THE FORMULA IS TOTAL INSTALLMENT PAYMENTS = INSTALLMENT PRICE - DOWN PAYMENT. THE FORMULA CAN BE WRITTEN IN SYMBOLS AS
T = P - D. SOLVE THE FORMULA FOR D.
Henry
D = P-T
Ahlaam
Acce motors sold a total of 15 cars and trucks during one promotion sale six of the vehicles sold were trucks what is the number of cars that that were sold?