A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining $2.25 he saved. How much money did he have originally?
3 Answers
Let the money in the starting be
Then, he spend one half of his money for a book
book cost =
And he spend one-third on a pen
pen cost =
Now after this, $2.25 is left, we make the equation
We take LCM
Transfer 6 to RHS
The boy started with $13.5
$ 13.5 , hope it helps :)
Explanation:
$13.50
Explanation:
Given:
- The book costs half of his money
- The pen costs one-third of his money
- He has $2.25 left
In this case, let
So if the book costs half of his money then we can say that
book
While the pen is
pen =
So initially, the boy had
So we know that the boy initially had $13.50
Checking:
Book would cost
Pen would cost
Total cost of purchases
So if initially he had $13.50, then
$13.50 - $11.25 = $2.25