Answer:
130
Step-by-step explanation:
just apply rhe formula of trapezium i.e. 1/2(a+b)h
a is the upper side/base
b is the lower side/base
h is the height
She received $221.72. If you divide 385.60 in half, because she sold half, you get 192.8. You then multiply that number by 1.15. There you have your answer.
Answer:
240 visitors
Step-by-step explanation:
We are given the following in the question:
Percentage of visitors that are student to art museum = 60%
Total number of students to museum = 144
We have to find the total number of visitors to the museum.
Let x be the total number of visitors to the museum.
Thus, we can write the equation:

Thus, there were 240 visitors to the art museum on that day.
All you have to do is add exponents when multiplying like monomials. So it's just 4^2
Answer: -4x+2
Step-by-step explanation: Simplify