Fabian and Howard had an equal number of books. Fabian donated
17 of her books and Howard donated
14 of his books. Howard donated 18 more books than Fabian. How many books did Howard have at first?
| |
Fabian |
Howard |
Before
|
7x4 =
28 u |
4x7 =
28 u |
Change
|
- 1x4 =
- 4 u |
- 1x7 =
- 7 u |
After
|
6x4 =
24 u |
3x7 =
21 u |
The number of books that Fabian and Howard each had at first is the same. Make the number of books that Fabian and Howard had at first the same. LCM of 7 and 4 is 28.
Number of books that Howard donated more than Fabian
= 7 u - 4 u
= 3 u
3 u = 18
1 u = 18 ÷ 3 = 6
Number of books that Howard had
= 28 u
= 28 x 6
= 168
Answer(s): 168
