2. What is the selling price of a $12,543 boat if a $758 discount is given?
A. $11,758
B. $12,785
C. $11,785
D. $12,758
I think it is C.
C is the correct answer.
12,543 - 758 = 11,785
So, yes your answer is correct.
4. What is 1,112,433 rounded to the nearest ten thousand?
A. 1,100,000
B. 1,120,000
C. 1,200,000
D. 1,110,000
I think it is D.
Correct.
8. What is the sum of 667 and 23?
A. 29
B. 690
C. 15,341
D. 644
Is the answer B because sum is the answer of the two whole numbers.
Your answer of B is correct.
667 + 23 = 690
So yes, B is the correct answer.
9. What is 307,495 rounded to the nearest thousand?
A. 307,000
B. 307,400
C. 308,000
D. 310,000
I think it is A.
A is correct.
Since 4 is below 5, the thousandths place can't be rounded up. So it has to turn into to 307,000 when rounded to the nearest thousand.
So yes, A is the correct answer to this problem.
10. If one apartment requires 36 square yards of carpeting, how many square yards of carpeting do 25 identical apartments require?
A. 27 square yards
B. 900 square yards
C. 936 square yards
D. 61 square yards
I think it is B.
B is the correct answer to this problem.
36 x 25 = 900 square yards
So yes, your answer is correct.
11. Which one of the following mathematical statements is true?
A. 28 ÷ 0 = 0
B. 28 – 0 = 0
C. 28 + 0 = 0
D. 0 ÷ 28 = 0
I think it is D.