Problema Solution
Andy has 2x books. Bill ha 4x more books than Andy. Carol has half as many books as bill. A) the number of books that carol has. B) given the total number of books that the three of them have 121. Form an algebraic equation and solve it to find the number of the books than Andy has
Answer provided by our tutors
Andy: 2x books
Bill: 4x + 2x = 6x books
A) the number of books that carol has.
Carol: (1/2)6x = 3x books
B) given the total number of books that the three of them have 121. Form an algebraic equation and solve it to find the number of the books than Andy has
2x + 6x + 3x = 121
by solving we find
x = 11
click here to see the step by step solution of the equation:
2x = 2*11 = 22 books
Andy has 22 books.