The sum of three numbers is 27. The third number is 3 less than twice the second number. The first number is twice the sum of the other two. Find the numbers​

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Can someone answer this question for me

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth