can any expert just check my solution
You bought a car for $\$2500$ down and made payments of $\$299.50$ each month for $36$ months.
(a) Find the amount of the payments over the $36$ months.
(b) Find the total cost of the car.
I have tried to solve please check it for
part (a) $299.50 * 36= 10782$
part (b) $10782+2500= 13282$
also,another question
Use a calculator to multiply. Then use estimation to determine whether the product you calculated is reasonable $85.3 ✕ 7.7$
I have tried to solve please check it
calculated $656.81$
estimated $720$
thank you very much
sorry for asking simple questions but this question I need them