Answer:
![2x+50](https://tex.z-dn.net/?f=2x%2B50)
Step-by-step explanation:
Given: Hector saved twice as much money as Sam.
Ted saved $100 more than Hector.
Gina saved $50 less than Ted.
As given, lets assume the amount of money Sam has in saving be "x".
Now, finding saving of each person given.
Writing the algebric expression of each´s saving amount.
we know, Hector saved twice as much money as Sam.
∴ Hector saving= ![\$2x](https://tex.z-dn.net/?f=%5C%242x)
Also, Ted saved $100 more than Hector.
∴ Ted´s saving= ![\$(2x+100)](https://tex.z-dn.net/?f=%5C%24%282x%2B100%29)
Next finding Gina´s saving
As given, Gina saved $50 less than Ted.
∴ Gina´s saving= ![\$ (2x+100)-\$ 50](https://tex.z-dn.net/?f=%5C%24%20%282x%2B100%29-%5C%24%2050)
Opening parenthesis and solving it.
⇒ Gina´s saving= ![\$ 2x+\$50](https://tex.z-dn.net/?f=%5C%24%202x%2B%5C%2450)
Algebric expression of Gina´s saving= ![2x+50](https://tex.z-dn.net/?f=2x%2B50)