Answer:
<em>100 grams</em>
Step-by-step explanation:
4,900 grams = 4,900 grams
5 kilograms = 5,000 grams
<em>5,000 - 4,900 = 100</em>
Given:
Alan salary P (in dollars) when he works h hours is represented by the equation

To find:
The earning per hour.
Solution:
We have,

Here, P is total salary and h is number of hours he works.



Therefore, the earning per hour is $12.50.
Let, his original money = x
It would be: x * 1/2 = 120
x = 120 * 2
x = 240
In short, Your Answer would be $240
Hope this helps!