Answer:
54 degrees and 126 degrees
Step-by-step explanation:
hope this helps i'm 9 but I have a 8th grade math knowledge.
The 8 in 8,000 represents 1,000 times what it represents in 8 or 1's place value.

Explanation:
Since we have given that
Number of laps Nina ran is given by

Time taken by Nina to ran the lap is given by

Now, we use the unitary method ,

Now, we change it into mixed fraction,

Hence,

As shown in the worksheet that I did, $5.40 can be divided by 3/4 a total of .072 times which if rounded is .07 times
There are 10 boys because half of 10 is 5 5+5 equals 10