X(0.25)=143.86
x=143.86/0.25=575.44 (575.44 is the principal amount.
Answer: 20 laps
Step-by-step explanation:
Given
Roger just ran 5 laps and completes 20% of his goal
Suppose his goal is x laps
So, 20% of x must be equal to 5

So, he needs 20 more laps to complete his goal.
(3x²y⁶)⁷
(3x²y⁶)(3x²y⁶)(3x²y⁶)(3x²y⁶)(3x²y⁶)(3x²y⁶)(3x²y⁶)
2187x¹⁴y⁴²
If you are talking about on Brainly.com it is like this.
To write half write 1/2 (1 forward slash 2)