Answer: 1,200,000
Step-by-step explanation
1 meter is 1000 kilometers and the track is 400 meters long, so you must multiply 400*1000=400,000
She danced around 3 times s you must multiply 400,000*3=1,200,000
Week 15 they'll both weigh 181 lbs
The cost of an order of 1 hamburger and 2 orders of fries cost which Nathaniel and Liam bought is $6.5.
<h3>What is system of equation?</h3>
A system of equation is the set of equation in which the finite set of equation is present for which the common solution is sought.
Let the cost of 1 hamburger is x dollar and 2 orders of fries is y dollars. Nathaniel bought 3 hamburgers and 2 orders of fries for $12.50. Thus,

Solve this equation as,
.....1
Liam bought 2 hamburgers and 4 orders of fries for $13. Thus,

Put the value of y in this equation and solve it further,

Put this value of x in equation 1,

The cost of an order of 1 hamburger and 2 orders of fries is,

Thus, the cost of an order of 1 hamburger and 2 orders of fries cost which Nathaniel and Liam bought is $6.5.
Learn more about the system of equations here;
brainly.com/question/13729904
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Answer:
Hundred
Step-by-step explanation:
We are asked to find the value of 3 in 305
3- hundred
0- tens
5- units
Hence the value of 3 in 305 is hundred