Final answer:
To prove that 0.318181818 is equal to 7/22, we can set up an equation and solve for x. The value of x will be equal to 7/22, which shows that the two expressions are equal.
Step-by-step explanation:
To show that 0.318181818 is equal to 7/22, we can set up an equation. Let x = 7/22.
We can then solve for x by cross multiplying the fractions, which gives us 22x = 7.
Dividing both sides by 22, we find that x = 7/22. Therefore, 0.318181818 is equal to 7/22.