2 2/5 x 3/7(less) =1 1/35
I only thought of an equation for the less one.
A varible represents the number u are looking for.
Example:
2x + 3x
Answer:
Her second lap was <u>8%</u> better when compared to her first lap.
Step-by-step explanation:
Given:
Emily ran her first lap in 75 seconds she ran her second lap in 69 seconds.
Now, to find how much better was her second lap when compared to her first lap.
Emily ran her first lap in 75 seconds.
Emily ran her second lap in 69 seconds.
So, we get the difference in seconds:

<u><em>Thus, in her second lap she was 6 seconds better than first.</em></u>
Now, to get the percentage of her first lap better than second:



Therefore, her second lap was 8% better when compared to her first lap.
<span>Divide the top of the fraction by the bottom,t<span>hen multiply your answer by 100</span></span>
12 is first one 7 is 2nd one 9 is the last one