Answer:
2.5 L
Step-by-step explanation:
We use a rule of three to solve this problem, the information we have is represented as follows:
Liters People
1 ⇒ 20
x ⇒ 50
x represents the unknown quantity, the liters that correspond to 50 people.
The way x is found is as follows: We multiply the cross quantities and divide by the remaining quantity.
Thus, for 50 people is provided 2.5 liters of water
Answer:
Step-by-step explanation:
"To make x the subject" means to have the equation with all the terms in x on one side. As of now, y is the subject of the equation.
You start by subtracting 2 from both sides, you should get the following.
Then you multiply by 2 from both sides, you should end up with the following.
Therefore, you get the following.
Finally, you distribute and get the answer.