They should get $7.50, because you multiply the adults by two, then the children by three, and add it all together
Answer: you can only add like terms, for example; 2x + 3x = 5x as they both have an x next to the numbers.
you cannot simplify 2 + 4x as they both don’t have an x next to them.
hence why, the answer to 2x^2 + 15x^2 would be 17x^2
Step-by-step explanation:
X = $ 52 for the 12 books Diego bought
