Question

Two brothers bought together 10 books. One brother bought four books. How

many books did the other brother buy? Create an equation and solve.

Answer 1

The other brother bought 6

Explanation:

10 books in total

4 books bought by one brother

10 - 4 = 6

Answer 2

2b+4b=10b the other brother bought 6 books.

Since we already know how many the other brother bought, we don't need to find that information.

Explanation:

2b+4b=10b

combine like terms and subtract.

6b=10b

=4b

(hope this is correct.)