Answer:
56.7 mi/h
Step-by-step explanation:
The formula for average speed is:
Average Speed = 
Thus we have:
Average Speed =
mph
<em>Rounding to the nearest tenth, we have </em>
Average Speed = 56.7 mi/h
15 people, each want 2 hamburgers, so there will be 15*2 = 30 hamburgers.
However, we only want the plain hamburgers.
3 people want hamburgers with cheese: 30-3 = 27 plain hamburgers
2 people want hamburgers with mustard: 27-2 = 25 plain hamburgers
2 people want hamburgers with catsup: 25-2 = 23 plain hamburgers
Jim and his dad will make 23 plain hamburgers.
Hope this helps!! Let me know if you have ANY questions.
Answer:
$15,267
Step-by-step explanation:
Kay earns $78,400 per year and gets a standard deduction of $5,700.
Her taxable income is amount of money that she can pay tax on and that is:
Income - Standard Deduction
= $78,400 - $5,700 = $72,700
She pays tax at a 21% rate, hence, her income tax is:

= $15,267
Her income tax is $15,267.