Answer:
The total charge in an atom is zero or it is neutrally charge. both nulify each others charge.
- If the atom has some charge in it then it is called an ion.
5 friends contribute x money to go to a cart that costs $100.
.
5x = 100
x = 100/5
x = 20
.
Each friend contributed $20 for the cart
Do you have a photo, what tells us that the unknown number is multiplied by 3?
5 because if you subtract 13 from 18 you will get five and might be her avrage